The bottle popped when I opened it.

我打开瓶子时，瓶口砰的一声。

youdao

I though it was a football. But when I opened it, I saw a clock.

我认为是足球，可打开一看是个闹钟。

youdao

But when I opened it, no one was there.

可是当我开门时，没有人在那里。

youdao

But when I opened it, no one was there.

可是当我开门时，没有人在那里。

youdao