I didn't think you'd be at home but I just called by on the off chance.

我想你不会在家，只是碰碰运气顺路来看一下。

《牛津词典》

I think I have tried hard but the fact remains that I still couldn't t get a satisfactory result on the exam.

我认为我已经努力了，但事实是我仍然不能得到一个满意的考试成绩。

youdao

I think he'll be back on Monday, but I can't say for sure.

我想他星期一会回来，不过我不敢肯定。

《牛津词典》

I think all those goals are still possible, but I think that as a consequence to the war on Iraq, we took our eye off the ball.

VOA: special.2009.02.21

I think the more entry ways that we can create between the two sides, on this conflict, but also on many conflicts.

我认为有更多的入口,创造这种入口沟通两个世界，不仅是这次冲突，还有很多其他冲突。

普林斯顿公开课 - 人性课程节选

But I don't think the best way to do it is to give it to individuals on the street

但我认为，在大街上给乞讨的人施舍不是最好的办法。

不做善事的理由 - SpeakingMax英语口语达人

But I think on a whole bunch of fronts, you had a complacency when it came to what happens in the worst-case scenario.

WHITEHOUSE: Deepwater BP Oil Spill: Presidential Press Conference

But I think on all these issues -- nuclear disarmament, nuclear proliferation, Middle East peace -- progress is going to be measured not in days, not in weeks.

WHITEHOUSE: Nuclear Security Summit: Presidential Press Conference

Professor NOGUERA: Well I'm a man of faith too, but I think relying on prayer is probably not good enough here.

NPR: Roundtable: Rice, Rumsfeld in Iraq, 'United 93'