Who could have poisoned it?

谁会下毒呢？

youdao

Presently he said, "Who could have brought those tools here?"

过了一会儿，他说：“谁会把这些工具带到这儿来呢？”

youdao

He was the only person who could have opened my bag while I was asleep.

他是唯一一个能在我睡着时打开我的包的人。

youdao

A captain,of all things! Who could have dreamed that they would place such a responsibility on such weak shoulders as his.

VOA: special.2010.03.27

Could I have a show of hands of people who are planning to buy the text but haven't done so yet?

你们能举下手吗，那些,正打算买书，但还没有买的同学？

麻省理工公开课 - 固态化学导论课程节选

So, I could ask any of you who have the courage to come forward and fight in my phalanx? Nobody?

所以,我斗胆请问,在座哪位有胆量上来,为我的方阵效力,没人吗

耶鲁公开课 - 古希腊历史简介课程节选

And he was the one man who could have slowed or stopped the war.

CNN: Commentary: Joe the Plumber vs. Colin Powell

Ms. Currie then was not a, quote, "witness" who could have been tampered with.

CNN: Transcript: Schippers, Lowell briefings before Judiciary panel, part 2

Who could have known that Apple was going to win with its pretty machines?

FORBES: In Search Of The Next Apple Or Google