I judged him to be about forty.

我估计他40岁上下。

柯林斯例句

I should suppose him to be about fifty.

我猜想他大约50岁.

《简明英汉词典》

I should suppose him to be about twenty.

我猜他是二十岁左右.

《现代英汉综合大词典》

Looking still further ahead, by the end of the next century world population is expected to be about ten billion.

再往前看，到下个世纪末世界人口预计将达约100亿。

柯林斯例句

The depth of the crater is expected to be about 30 feet.

弹坑的深度预计约于30英尺.

辞典例句

We estimated his income at / to be about 8000 a year.

我们估计他一年的收入大约8000英镑.

辞典例句

Pisa is believed to be about three thousand years old.

据称比萨大约有三千年的历史.

辞典例句

I make the total ( to be ) about 50.

我看总数大约50英镑.

辞典例句

He could scarcely eat, however, he was so anxious to be about his errand.

可是他急着去办事,几乎什么也吃不下.

英汉文学 - 嘉莉妹妹

One can appear to be about two inches shorter by practicing a slouch.

装成没精打采的样子,可以使自己看起来矮两英寸.

辞典例句

I figured him to be about thirty years of age.

我猜想他大约30岁.

互联网

This camcorder came out to be about $ 190 - 195 for me after tax.

这台摄象机问世时是大约$190-195(税后).

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You want to be about four inches from the microphone.

你要离开话筒四英寸.

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Show to be about sun trunk, but moon still stay in sky.

露快要晒干了, 可月亮还停留在天空.

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He wants this story to be about more than him.

他要这个报道不仅仅是关于他.

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