To be forewarned is to be forearmed.

事先得到警告即先有了准备。

The skill of these jugglers has to be seen to be believed.

这些表演杂耍演员技巧看了才会相信。

He claimed to be an insurance salesman but later was found to be a fraud.

"他自称是个保险公司推销员,但后来发现原来是个骗子。"

The long slobbering slothful decline we had been looking forward to was not to be.

我们曾经预料那漫长、流着口水、懒老过程不会再有了。

I would like to be a pricky rose, or better to be a lethal poppy.

我愿意做刺玫瑰，更愿意做能致命!

Costs will have to be kept down if severe public censure is to be avoided.

避免公众严厉指责就得维持低成本。

He undertook to be here at five.

他答应五点钟到这里来。

I rashly volunteered to be a contestant.

我草率地主动提出参加竞赛。

I was very thankful to be alive.

我还活着，这让我感到很欣慰。

This is the word to be used.

这是最适当字眼。

It is not to be wondered at.

那并不足以为奇。

He yelled at her to be careful.

他大声叫她注意。

This used to be a shabby house.

此房年久失修。

I thought shame to be so careless.

我因为这样粗枝大叶而感到 惭愧。

The soup has to be boiled down.

这汤还须煮浓些。

He who bribes is to be despised.

行贿者受人鄙视。

It used to be a crystal stream.

那曾是条清澈见底小溪。

He was destined to be an actor.

他注定当演员。

He wants to is cremated, not buried.

他火葬,不土葬。

We discovered him to be an imposter.

我们发现他是个冒名顶替骗子。