I don't know what was the matter outside . 这句话怎么翻译好.

I don't know what was the matter outside . 这句话怎么翻译好.
I don't know what was the matter outside . 这句话怎么翻译好.

I don't know what was the matter outside . 这句话怎么翻译好.
我不知道外边发生了什么事.

我不知道还有别的什么问题。