I know you think I let you down.

我知道你认为我让你失望了。

youdao

"You said you'd stay till tomorrow."—"I know, Bel, but I think I would rather go back."

“你说过要待到明天。” — “我知道，贝尔，但我想我还是要回去。”

《柯林斯英汉双解大词典》

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

And I think that Nancy's great sense of, you know,fighting for justice and helping others was a great inspiration."

VOA: special.2009.08.24

So I think if you just know the symbols for the ones that are up there, that would be just dandy.

所以你们只要知道那些元素的简写形式,就很不错了。

麻省理工公开课 - 固态化学导论课程节选

I think if, you know, everyone sort of thinks about, I don't know, all being an entrepreneur. But if you're not,

我觉得，如果每个人都有做企业家的想法。
但是你如果不这样想，

要想成为事业家 - SpeakingMax英语口语达人

"Finally just one day on Skype, everybody else had kind of hung up and I said you know, I think I love you, " she said.

CNN: SHARE THIS

So I think you know, I think people are beginning to see sense but it's, it's, you know what it's like in London, I mean in New York, you know you've got one Mayor who's got huge power and can bulldoze things through, it's much more difficult here.

BBC: News | BREAKFAST WITH FROST | Interview with Sir Andrew Lloyd Webber

Mr. LEAHY: I just think, you know, I think, Michel, they say these guys ought to be our advocates.

NPR: Former NFL Players Unable to Pay Medical Bills