know of 听说过 ; 知道 ; 知道有
Not that I know of 据我所知不是那样 ; 我印象里没有 ; 并非如此
know of sb 知道有某人 ; 听说过某人
How do you know of 你们是怎么认识的 ; 你们怎么认识的
I know of no instance 夜雨打芭蕉
I know of Singapore 我所了解的新加坡
I know of 我知道的
I know of Tsing-good 我了解了清华的好
not that you know of 休要妄想
know of a person 知道某人
He did not instigate the coup or even know of it beforehand.
他没有发起政变,甚至事先都不知道。
I know of at least two people who did the same thing.
我知道至少有两人干过同样的事。
I don't know of any vacancies in the company but I'll ask around.
我不知道公司有没有空缺,不过我会打听打听。
You know that if you took a derivative of this, you will find v of t is v0+at.
如果你对这个式子求一次导,你将会得到v=v0+at
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