Such a conclusive evidence is hard to be explained away.

如此确凿的证据是巧辩的。

Why is it always me who has to do the donkey work?

为什么无聊做的工作总是我做？

Birth rates are notoriously difficult to predict.

众所周知，出生率是预测的。

ATC waste liquid has such characteristics as high CODcr, high salinity and nonbiodegradable.

ATC有高COD,高含盐量，以及生物降解的特点。

Russian is a diffcult language to master.

俄语是一种掌握的语言。

It was a difficult concept to grasp, but Sam latched on very quickly.

那是个掌握的概念，但萨姆快就理解了。

It is difficult to persuade the superpowers to disarm.

要说服超级大国裁军是的。

The shipwrecked sailor scanned the horizon anxiously every morning .

这位遭船的水手每天早晨焦虑注视着海天相接之处。

The new law about safety belts in cars was difficult to enforce at first.

规定系汽车安全带的新法规开始时是实施的。

It’s rather difficult for a cocky person to be on good terms with others.

一个傲慢的人要和别人相处,那是的。

We all have our crosses to bear.

家家有本唸的经。

Real pacification is hard to get in the Vietnamese countryside.

在越南的乡下真正的安宁是实现的。

It is difficult to divorce politics from sport.

把政治和体育完全分开是的。

The elements of physics are difficult to grasp.

物理原理是掌握的。

The indigestible food set heavily on my stomach.

这些消化的食物沉甸甸压在我胃里。

Blacks have always been the indigestible mass.

黑人总是一个吸收的群体。

It is difficult to adjust one's habits to someone else.

一个人使自己的习惯适于他人。

He showed tact in dealing with difficult customers.

他在应付对付的顾客时表现老练。

The servants likewise used me saucily, and had much ado to keep their hands off me.

有几个仆人对我无礼，要他们的手不碰我是的。

Established practices are difficult to modify.

既定的惯例是更改的。

Such a conclusive evidence is hard to be explained away.

如此确凿的证据是很巧辩的。

Why is it always me who has to do the donkey work?

为什么无的工作总是我？

Birth rates are notoriously difficult to predict.

众所周知，出生率是很预测的。

ATC waste liquid has such characteristics as high CODcr, high salinity and nonbiodegradable.

ATC废液具有高COD,高含盐量，以及生物降解的特点。

Russian is a diffcult language to master.

俄语是一种掌握的语言。

It was a difficult concept to grasp, but Sam latched on very quickly.

那是个掌握的概念，但萨姆很快就理解了。

It is difficult to persuade the superpowers to disarm.

要说服超级大国裁军是很的。

The shipwrecked sailor scanned the horizon anxiously every morning .

这位遭船的水手每天早晨焦虑地注视着海天相接之处。

The new law about safety belts in cars was difficult to enforce at first.

规定系汽车安全带的新法规开始时是很实施的。

It’s rather difficult for a cocky person to be on good terms with others.

一个傲慢的人要和别人很好地相处,那是很的。

We all have our crosses to bear.

家家有本唸的经。

Real pacification is hard to get in the Vietnamese countryside.

在越南的乡的安宁是很实现的。

It is difficult to divorce politics from sport.

把政治和体育完全分开是很的。

The elements of physics are difficult to grasp.

物理原理是很掌握的。

The indigestible food set heavily on my stomach.

这些消化的食物沉甸甸地压在我胃里。

Blacks have always been the indigestible mass.

黑人总是一个吸收的群体。

It is difficult to adjust one's habits to someone else.

一个人很使自己的习惯适于他人。

He showed tact in dealing with difficult customers.

他在应付对付的顾客时表现老练。

The servants likewise used me saucily, and had much ado to keep their hands off me.

有几个仆人对我很无礼，要他们的手不碰我是很的。

Established practices are difficult to modify.

既定的惯例是很更改的。

Such a conclusive evidence is hard to be explained away.

如的证据是很巧辩的。

Why is it always me who has to do the donkey work?

为什么无聊做的工作总是我做？

Birth rates are notoriously difficult to predict.

众所周知，出生率是很预测的。

ATC waste liquid has such characteristics as high CODcr, high salinity and nonbiodegradable.

ATC废液具有高COD,高含盐量，以及生物降解的特点。

Russian is a diffcult language to master.

俄语是一种掌握的语言。

It was a difficult concept to grasp, but Sam latched on very quickly.

那是个掌握的概念，但萨姆很快就理解了。

It is difficult to persuade the superpowers to disarm.

要说服超级大国裁军是很的。

The shipwrecked sailor scanned the horizon anxiously every morning .

这位遭船的水手每天早晨焦虑地注视着海天相接之处。

The new law about safety belts in cars was difficult to enforce at first.

规定系汽车安全带的新法规开始时是很实施的。

It’s rather difficult for a cocky person to be on good terms with others.

一个傲慢的人要和别人很好地相处,那是很的。

We all have our crosses to bear.

家家有本唸的经。

Real pacification is hard to get in the Vietnamese countryside.

在越南的乡下真正的安宁是很实现的。

It is difficult to divorce politics from sport.

把政治和全分开是很的。

The elements of physics are difficult to grasp.

物理原理是很掌握的。

The indigestible food set heavily on my stomach.

这些消化的食物沉甸甸地压在我胃里。

Blacks have always been the indigestible mass.

黑人总是一个吸收的群。

It is difficult to adjust one's habits to someone else.

一个人很使自己的习惯适于他人。

He showed tact in dealing with difficult customers.

他在应付对付的顾客时表现老练。

The servants likewise used me saucily, and had much ado to keep their hands off me.

有几个仆人对我很无礼，要他们的手不碰我是很的。

Established practices are difficult to modify.

既定的惯例是很更改的。

Such a conclusive evidence is hard to be explained away.

如此确凿证据是很巧辩。

Why is it always me who has to do the donkey work?

为什么无聊工作总是？

Birth rates are notoriously difficult to predict.

所周知，出生率是很预测。

ATC waste liquid has such characteristics as high CODcr, high salinity and nonbiodegradable.

ATC废液具有高COD,高含盐量，以及生物降解特点。

Russian is a diffcult language to master.

俄语是一种掌握语言。

It was a difficult concept to grasp, but Sam latched on very quickly.

那是个掌握概念，但萨姆很快就理解了。

It is difficult to persuade the superpowers to disarm.

要说服超级大国裁军是很。

The shipwrecked sailor scanned the horizon anxiously every morning .

这位遭船水手每天早晨焦虑地注视着海天相接之处。

The new law about safety belts in cars was difficult to enforce at first.

规定系汽车安全带新法规开始时是很实施。

It’s rather difficult for a cocky person to be on good terms with others.

一个傲慢人要和别人很好地相处,那是很。

We all have our crosses to bear.

家家有本。

Real pacification is hard to get in the Vietnamese countryside.

在越南乡下真正安宁是很实现。

It is difficult to divorce politics from sport.

把政治和体育完全分开是很。

The elements of physics are difficult to grasp.

物理原理是很掌握。

The indigestible food set heavily on my stomach.

这些消化食物沉甸甸地压在胃里。

Blacks have always been the indigestible mass.

黑人总是一个吸收群体。

It is difficult to adjust one's habits to someone else.

一个人很使自己习惯适于他人。

He showed tact in dealing with difficult customers.

他在应付对付顾客时表现老练。

The servants likewise used me saucily, and had much ado to keep their hands off me.

有几个仆人对很无礼，要他们手不碰是很。

Established practices are difficult to modify.

既定惯例是很更改。

Such a conclusive evidence is hard to be explained away.

如此确凿证据是很巧辩。

Why is it always me who has to do the donkey work?

为什么无聊做工作总是我做？

Birth rates are notoriously difficult to predict.

众所周知，出生率是很预测。

ATC waste liquid has such characteristics as high CODcr, high salinity and nonbiodegradable.

ATC废液具有高COD,高含盐量，以及生物降解特点。

Russian is a diffcult language to master.

俄语是一握语言。

It was a difficult concept to grasp, but Sam latched on very quickly.

那是个握概念，但萨姆很快就理解了。

It is difficult to persuade the superpowers to disarm.

要说服超级大国裁军是很。

The shipwrecked sailor scanned the horizon anxiously every morning .

这位遭船水手每天早晨焦虑地注视着海天相接之处。

The new law about safety belts in cars was difficult to enforce at first.

规定系汽车安全带法规开始时是很实施。

It’s rather difficult for a cocky person to be on good terms with others.

一个傲慢人要和别人很好地相处,那是很。

We all have our crosses to bear.

家家有本唸经。

Real pacification is hard to get in the Vietnamese countryside.

在越南乡下真正安宁是很实现。

It is difficult to divorce politics from sport.

把政治和体育完全分开是很。

The elements of physics are difficult to grasp.

物理原理是很握。

The indigestible food set heavily on my stomach.

这些消化食物沉甸甸地压在我胃里。

Blacks have always been the indigestible mass.

黑人总是一个吸收群体。

It is difficult to adjust one's habits to someone else.

一个人很使自己习惯适于他人。

He showed tact in dealing with difficult customers.

他在应付对付顾客时表现老练。

The servants likewise used me saucily, and had much ado to keep their hands off me.

有几个仆人对我很无礼，要他们手不碰我是很。

Established practices are difficult to modify.

既定惯例是很更改。

Such a conclusive evidence is hard to be explained away.

如此确凿证据是巧辩。

Why is it always me who has to do the donkey work?

为什么无聊做工作总是我做？

Birth rates are notoriously difficult to predict.

众所周知，出生率是预测。

ATC waste liquid has such characteristics as high CODcr, high salinity and nonbiodegradable.

ATC废液具有高COD,高含盐量，以及生物降解特点。

Russian is a diffcult language to master.

俄语是一种掌握语言。

It was a difficult concept to grasp, but Sam latched on very quickly.

那是个掌握概念，但萨姆快就理解了。

It is difficult to persuade the superpowers to disarm.

要说服超级大国裁军是。

The shipwrecked sailor scanned the horizon anxiously every morning .

这位遭船水手每天早晨焦虑地注视着海天相接之处。

The new law about safety belts in cars was difficult to enforce at first.

规定系汽车安全带新法规开始时是实施。

It’s rather difficult for a cocky person to be on good terms with others.

一个傲慢人要和别人好地相处,那是。

We all have our crosses to bear.

家家有本唸经。

Real pacification is hard to get in the Vietnamese countryside.

在越南乡下真正安宁是实现。

It is difficult to divorce politics from sport.

把政治和体育完全分开是。

The elements of physics are difficult to grasp.

物理原理是掌握。

The indigestible food set heavily on my stomach.

这些消化食物沉甸甸地压在我胃里。

Blacks have always been the indigestible mass.

黑人总是一个吸收群体。

It is difficult to adjust one's habits to someone else.

一个人使自己习惯适于他人。

He showed tact in dealing with difficult customers.

他在应付对付顾客时表现老练。

The servants likewise used me saucily, and had much ado to keep their hands off me.

有几个仆人对我无礼，要他们手不碰我是。

Established practices are difficult to modify.

既定惯例是更改。

Such a conclusive evidence is hard to be explained away.

如此确凿证据是很巧辩。

Why is it always me who has to do the donkey work?

为什么无聊做工作总是我做？

Birth rates are notoriously difficult to predict.

众所周知，出生率是很预测。

ATC waste liquid has such characteristics as high CODcr, high salinity and nonbiodegradable.

ATC废液具有高COD,高含，及生物降解特点。

Russian is a diffcult language to master.

俄语是一种掌握语言。

It was a difficult concept to grasp, but Sam latched on very quickly.

那是个掌握概念，但萨姆很快就理解了。

It is difficult to persuade the superpowers to disarm.

要说服超级大国裁军是很。

The shipwrecked sailor scanned the horizon anxiously every morning .

这位遭船水手每天早晨焦虑地注视着海天相接之处。

The new law about safety belts in cars was difficult to enforce at first.

规定系汽车安全带新法规开始时是很实施。

It’s rather difficult for a cocky person to be on good terms with others.

一个傲要和别很好地相处,那是很。

We all have our crosses to bear.

家家有本唸经。

Real pacification is hard to get in the Vietnamese countryside.

在越南乡下真正安宁是很实现。

It is difficult to divorce politics from sport.

把政治和体育完全分开是很。

The elements of physics are difficult to grasp.

物理原理是很掌握。

The indigestible food set heavily on my stomach.

这些消化食物沉甸甸地压在我胃里。

Blacks have always been the indigestible mass.

黑总是一个吸收群体。

It is difficult to adjust one's habits to someone else.

一个很使自己习惯适于他。

He showed tact in dealing with difficult customers.

他在应付对付顾客时表现老练。

The servants likewise used me saucily, and had much ado to keep their hands off me.

有几个仆对我很无礼，要他们手不碰我是很。

Established practices are difficult to modify.

既定惯例是很更改。

Such a conclusive evidence is hard to be explained away.

此确凿的证据是很巧辩的。

Why is it always me who has to do the donkey work?

为什么无聊做的工作总是我做？

Birth rates are notoriously difficult to predict.

众所周知，出生率是很预测的。

ATC waste liquid has such characteristics as high CODcr, high salinity and nonbiodegradable.

ATC废液具有高COD,高含盐量，以及生物降解的特点。

Russian is a diffcult language to master.

俄语是一种掌握的语言。

It was a difficult concept to grasp, but Sam latched on very quickly.

那是个掌握的概念，但萨姆很快就理解了。

It is difficult to persuade the superpowers to disarm.

要说服超级大国裁军是很的。

The shipwrecked sailor scanned the horizon anxiously every morning .

这位遭船的水手每天早晨焦虑地注视着海天相接之处。

The new law about safety belts in cars was difficult to enforce at first.

规定系汽车安带的新法规始时是很实施的。

It’s rather difficult for a cocky person to be on good terms with others.

一个傲慢的人要和别人很好地相处,那是很的。

We all have our crosses to bear.

家家有本唸的经。

Real pacification is hard to get in the Vietnamese countryside.

在越南的乡下真正的安宁是很实现的。

It is difficult to divorce politics from sport.

把政治和体育完是很的。

The elements of physics are difficult to grasp.

物理原理是很掌握的。

The indigestible food set heavily on my stomach.

这些消化的食物沉甸甸地压在我胃里。

Blacks have always been the indigestible mass.

黑人总是一个吸收的群体。

It is difficult to adjust one's habits to someone else.

一个人很使自己的习惯适于他人。

He showed tact in dealing with difficult customers.

他在应付对付的顾客时表现老练。

The servants likewise used me saucily, and had much ado to keep their hands off me.

有几个仆人对我很无礼，要他们的手不碰我是很的。

Established practices are difficult to modify.

既定的惯例是很更改的。

Such a conclusive evidence is hard to be explained away.

如此确凿证据巧辩。

Why is it always me who has to do the donkey work?

为什么无聊做工作总我做？

Birth rates are notoriously difficult to predict.

众所周知，出生率预测。

ATC waste liquid has such characteristics as high CODcr, high salinity and nonbiodegradable.

ATC废液具有高COD,高含盐量，以及生物降解。

Russian is a diffcult language to master.

俄语一种掌握语言。

It was a difficult concept to grasp, but Sam latched on very quickly.

那个掌握概念，但萨姆快就理解了。

It is difficult to persuade the superpowers to disarm.

要说服超级大国裁军。

The shipwrecked sailor scanned the horizon anxiously every morning .

这位遭船水手每天早晨焦虑地注视着海天相接之处。

The new law about safety belts in cars was difficult to enforce at first.

规定系汽车安全带新法规开始时实施。

It’s rather difficult for a cocky person to be on good terms with others.

一个傲慢人要和别人好地相处,那。

We all have our crosses to bear.

家家有本唸经。

Real pacification is hard to get in the Vietnamese countryside.

在越南乡下真正安宁实现。

It is difficult to divorce politics from sport.

把政治和体育完全分开。

The elements of physics are difficult to grasp.

物理原理掌握。

The indigestible food set heavily on my stomach.

这些消化食物沉甸甸地压在我胃里。

Blacks have always been the indigestible mass.

黑人总一个吸收群体。

It is difficult to adjust one's habits to someone else.

一个人使自己习惯适于他人。

He showed tact in dealing with difficult customers.

他在应付对付顾客时表现老练。

The servants likewise used me saucily, and had much ado to keep their hands off me.

有几个仆人对我无礼，要他们手不碰我。

Established practices are difficult to modify.

既定惯例更改。