It won't take long to learn, and then you will know what he means.

学习要不了多久的，之后你就会明白他的意思了。

youdao

If they offer you practical advices, then you will know they are real.

如果他们给你提供了实用性的建议，你会知道那些是真的。

youdao

If you know how much money you have left, then you will know how much you can spend.

如果你知道自己还剩多少钱，就会知道可以花多少钱。

youdao

"One correspondent not from America and then I will--(REPORTERS YELLING)--You know, we are not doing bidding here.Come on,".

VOA: standard.2009.04.03

And, that's a good thing to know because if you come out with an answer that's somewhere near the diameter of the universe and it's supposed to be the diameter of an atom, then you will know that you probably made a mistake.

这是我们需要知道的,因为当你做一道题得到的答案,是宇宙的直径,而正确答案是原子直径时，你能很快发现你的错误。

麻省理工公开课 - 固态化学导论课程节选

And if your answer is no, your answer will be no, then you just know you can't use this equation here.

如果不是，那就不能，你就知道，你不能用这个方程了。

麻省理工公开课 - 化学原理课程节选

Then you will know whether increasing compliance is really the objective of these efforts, or is it something else.

FORBES: IRS Reopens Offshore Amnesty Program For Cheats And Non-Cheats Alike

If you stay on at school then the teachers will know you.

BBC: Pupils' A-level decision time

And if you don't know it now then you will do.

NPR: Albarn's The Good, The Bad, and The Queen