The bottle popped when I opened it.

我打开瓶子时，瓶口砰的一声。

youdao

The envelope wasn't sealed, so I opened it.

信封没封好，所以我打开了。

youdao

The letter wasn't addressed to me but I opened it out of curiosity.

那封信不是写给我的，然而我却出于好奇把它拆开了。

《牛津词典》

So I opened it. You cannot imagine how carefully,carefully.

VOA: special.2009.05.16

That, of course, I argued in those lectures, opened it up for the threat of mortality.

当然，我在那几堂课中对此观点提出了反对意见，以必有一死的威胁反驳了它。

耶鲁公开课 - 1945年后的美国小说课程节选

I was on the TGV the third day it opened which was-- it opened on September twenty-eighth,1981, and I was there on September thirtieth, taking a trip to Lyon,though it only went fast when it really got to a certain point here.

我在法国高铁开通后的第三天,它是在,1981年九月二十八日开通的,我是在九月三十日去的,去里昂旅行,它一路上开的非常快,直到到了站

耶鲁公开课 - 1871年后的法国课程节选

When a letter landed on my desk addressed to the BBC Technical Correspondent, I opened it with care.

BBC: In search of simple phones

As I opened it on the bus home, I realised that my number had come up in a rather big way.

BBC: Actor Edward Petherbridge puts stroke story on stage

"The cross was upside down outside the door so when I opened the door it fell in, " he said.

BBC: Graffiti on path