他在做什么用英語怎么表達

　　我希望丹尼知道他在做什么。

　　I hope Danny knows what he's doing.

　　孫子好奇地看著他在做什么。

　　Grandson looked curiously at what he was doing.

　　你認為你了解他在做什么嗎？

　　What do you think he is doing?