I have no idea what has happened to him.
我不知道他发生了什么事。
I don't care about what has happened to him.
我一点都不关心他发生了什么事。
The boy is crying. What has happened to him?
那男孩在哭。他发生了什么事？
I'm curious to know what has happened to him.
我极想知道他发生了什么事。
He does not still arrive yet, what has happened to him?
他还没到，发生什么是了？怎么译？
Tell me, what has happened to the old man to turn everybody against him so?
告诉我，这个老人怎么了，怎么让大家都这么不喜欢他？
What do you guess has happened to him?
你认为他发生了什么事情？
Will you undertake to let him know what has happened?
你答应把发生的事情告诉他吗？
I used to play football with him, all the kids, and look what has happened.
以前我们经常在一起打橄榄球，还有其他所有的孩子们…没想到现在居然成这样。
I used to play football with him, all the kids, and look what has happened.
以前我们经常在一起打橄榄球，还有其他所有的孩子们…没想到现在居然成这样。
应用推荐