我不知道他出什么事了 i wonder what happened to him
他出了什么事
What happened to him
以上为机器翻译结果，长、整句建议使用 人工翻译 。
我既不知道也不关心他出了什么事。
I neither knew nor cared what had happened to him.
《牛津词典》
我时常纳闷他出了什么事。
I've often wondered what happened to him.
如果他出了什么事，请立刻通知我。
If anything happens to him, let me know at once.
《新英汉大辞典》
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