youdao

Now I know what it is to shudder!

现在我知道害怕是怎么回事了！

youdao

Of course, but you know what it is like being a mother of a 13-year-old boy.

当然，但你知道作为一个13岁男孩的母亲是什么感觉。

youdao

How could I answer the child? I do not know what it is any more than he.

VOA: special.2009.04.12

if we can't think what system it belongs to, that's tantamount to saying we really don't know what it is.

我们就不知道它从属于哪个符号系统，我们就不能认识它了。

耶鲁公开课 - 文学理论导论课程节选

I don't know what it is, but you look gorgeous tonight.

我不知道为什么，但你今晚真是美若天仙。

You look 实战 - SpeakingMax英语口语达人

"I don't know what it is, but with (long) sleeves on, I feel restricted, " he said.

NPR: Upton Brothers Go Back-To-Back As Braves Sweep DH

So I don't know what it is that I'm supposed to do when I'm retired.

NPR: Conductor James DePreist

"The guys in the workshop think they know what it is, " said the Kirbky-on-Bain racer.

BBC: Plater on pole at North West 200