这是什么东西用英语怎么表达

What's this little handle in aid of?

这个小把手有什么用？

What's this place?" I asked, still confused ．

"这是什么地方?"我仍然很困惑，问道。

What's all this crying in aid of?

这哭叫声究竟是为啥？

What's all this 'Mrs Smith' stuff? Call me Anna.

哪来的什么“史密斯夫人”那一套？叫我安娜好了。

'What's with this guy?' demanded an American voice in the row in front.

“这人怎么了？”前排有个美国人问道。