我认为

I expect not.; I don't expect so.

不会。

I believe my sister to be honest.

是诚实的。

I should describe the attempt as a failure.

这次尝试失败了。

I did not esteem him to be worthy of trust.

他不值得信赖。

My contention is that the scheme will never work.

这个方案行不通。

I judged that it was best to resign.

辞职是最好的选择。

I don't think anything sleeveless is very flattering.

无袖装不是很美观。

I don't think anyone is casting aspersions on you.

没有在中伤你。

I think young people are sometimes disrespectful in their speech.

年轻有时说话失礼。

I thought the decision was grossly unfair.

这个决定非常不公平。

I don’t think you are being entirely truthful.

你并没全讲真话。

I deem it my duty to help the poor.

帮助穷是的职责。

I take it as a personal injury.

这是对个的侮辱。

I don't think his remarks are relevant to our discussion.

他的话不切们的议题。

I think you are being a nagger today.

你今天特别爱找岔。

I think it's going to be mondo weirdo this year, Andy.

安迪，今年会相当反常。

I think that what he’s suggesting is not humanly possible.

他的建议非力可及。

I deem it advisable to purchase the shares in the railway now.

现在购买铁路股票是明智的。

Yes, I think they are blended together.

是的, 他们很和谐。

I think this is just a government ploy to deceive the public.

这只是政府欺骗公众的手段。