The bottle popped when I opened it.

我打开瓶子时，瓶口砰的一声。

youdao

But when I opened it, no one was there.

可是当我开门时，没有人在那里。

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

When he opened it, I saw a large diamond shaped like a rose.

VOA: special.2009.07.25

And every night, late at night, I turned the lock of his door and opened it C oh,so gently! And then, when I had made an opening big enough for my head, I put in a dark lantern, all closed that no light shone out, and then I stuck in my head.

VOA: special.2009.05.16

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

BBC: Graffiti on path

It came from nowhere, from the night, fully formed, extending in several directions, and when I opened my eyes in the morning it was all around me, filling the room.

NEWYORKER: Midnight in Dostoevsky

When I did, it was as if the sky opened up and showered awesome down on me.

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