Jow long have you been working here?

你这儿作多久了？

He was saucy and mischievous when he was working.

他作时总爱调皮捣蛋。

The surgeons have been working for twenty hous without letup.

那些外科医师一连作了二十小时没有停止。

From the garage there came the sound of Derek working a lathe.

汽车修理厂那边传来德动车床的声音。

I'm indebted to all the staff who have been working so hard.

我十分感激一直如此努力作的全体员。

A laptop would be really useful for when I’m working on the train.

我火车上作时, 便携电脑真的很有用。

My brother is working on the railroad.

我兄弟铁路系统作。

A comfortable working environment will increase productivity.

舒适的作环境能提高生产效率。

New tasks now confronted the working class.

新任务人阶级面前。

I was attached to another working group.

我被派到另一个作组。

Back of the breakwater the dredger was working.

防波堤后面挖泥船正作。

Tara is currently working on a solo album.

塔拉眼下正忙着制作个人专辑。

They are working overtime to finish the work.

为了完成任务他们正加班加点地作。

We are working in conjunction with the police.

我们与警方配合进行作。

She was working the treadle of her sewing-machine.

她正用脚踩动缝纫机的踏板。

He had been working hard and was perspiring profusely.

他一直努力干活，身上大汗淋漓的。

He was a miner all his working life.

他一辈子都是矿。

She was very tired, nevertheless she kept on working.

她虽然很疲倦，可仍继续作。

He spends all his waking hours working.

醒着的时候他一直作。

They sit around chewing the fat instead of working.

他们不作，坐着闲聊。