I know expert of that, but I think you can try lifting weights and do at least 200 sit-ups twice a day.

我知道这方面的专家，但我认为你可以试试举重并且做至少200个仰卧起坐，每天做两次。

youdao

When you have to say something in English, think first and ask yourself" What words and phrases do I know in English that I can use in this situation?"

当你必须用英语说某事时，先问问自己“我知道什么英语单词和短语在这种情况下可以用上？”

youdao

I should know: you don't think little Diego made that call without his Aunt Kathrin's help, do you?

不过我想你也应该知道，没有凯瑟琳阿姨的帮忙，小迪亚戈可打不了那通电话，不是吗？

youdao

What does he think of Valentine's Day? "I think it's actually a good opportunity to remember those things that we want to do on Valentine's Day you know,special things for the spouse or whoever you probably ought to do them year-round.

VOA: special.2010.02.08

Well, that's pretty difficult. It, you know, I think it's easiest to do that in sort of an informal way.

分配起来确实挺困难的。你知道的，以一种非正式的方式反而更容易做到。

有趣的室友们 - SpeakingMax英语口语达人

What, you think I regret saving you? I can see that you do.I just... I don't know why.

VOA: standard.other

Ms. WITTER: Well, I think that it's true that they're not, you know, formally elected, but I do think that a person - a president, whoever he chooses as his wife, I think that's an important look into his values and what he cares about and so having that person near him is obviously a critical thing we should look into and think about.

NPR: Candidate's Wives Put Under the Microscope

And I think that's what they do, you know?

NPR: 'Yesterday': The Saga of an African AIDS Victim

And I think it has to do with a tone that I take that says that, you know, what divides us is less significant than what we have in common.

NPR: Obama: Change Motivating Voters, Not Race