If he thought no one would notice, he's wrong.

如果他认为无人察觉，那他就错了。

《柯林斯英汉双解大词典》

Alberg opened his mouth, as if to protest. But he thought better of it.

阿尔伯格张口像是要抗议，但转念一想就放弃了。

《柯林斯英汉双解大词典》

She thought that if she armed herself with all the knowledge she could gather she could handle anything.

她曾以为，如果她用其所能搜集到的所有知识充实自己，她就能处理任何事。

《柯林斯英汉双解大词典》

He thought that if these memories could somehow be brought into the conscious mind, the patient would again feel the pain.

VOA: special.2010.04.13

As Heidegger points out in this passage, that's a thought experiment which, if it can be done at all, derives from that prior knowledge.

海德格尔在文章中指出，这个思想实验，在可以实现的前提下，来源于之前的知识。

耶鲁公开课 - 文学理论导论课程节选

If people thought the stock was overpriced, well, people would have tried to sell it, and it would have come down.

如果人们觉得股票价格过高，人们就会把它卖了，价格就会下降。

麻省理工公开课 - 计算机科学及编程导论课程节选

If thought leadership arises only from this part of the firm, are all the other consultants unthinking followers?

ECONOMIST: Look what the wish has become father to

If they thought so, and if he thought so, and if the First Minister thought so, surely there were big changes on the way.

BBC: Re-org local government? I wouldn't start from here

"If we thought if it was a problem or a hazard, we wouldn't have this show, " Keith said about private gun sales at the show.

CNN: STORY HIGHLIGHTS