I'm as positive as I can be about it.

我对它有绝对的把握。

柯林斯例句

The Paris talks will mainly be about procedural matters.

巴黎会谈将主要围绕程序上的事宜。

柯林斯例句

I judged him to be about forty.

我估计他40岁上下。

柯林斯例句

I would be about ten when my brother left home.

我哥哥离开家时,我大概十岁左右.

《现代英汉综合大词典》

She would be about 60 when she died.

她死时也许60岁.

《简明英汉词典》

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

I don't know the exact number of people who have been invited but off the top of my head I should think there will be about forty.

我不知道被邀请者的确切人数,但不用思索,我认为会有40人左右.

《简明英汉词典》

Toni reckoned that it must be about three o'clock.

托妮估计当时肯定是3点钟左右。

辞典例句

Oh, let's see. It'll be about 3:30 before we have anybody free.

哦, 让 我 想想. 大概要到3:30我们才有空.

辞典例句

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

The savings due to increased health would be about 2 billion annually.

由于增进了健康,每年节约为20亿美元左右.

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