"手用英语怎么说" can be translated into English as "How to say 'hand' in English".
This phrase is asking for the translation of the Chinese word "手", which means "hand" or "palm".
In English, we use the word "hand" to refer to the part of the body located at the end of the arm, which is used for holding and manipulating objects.
So, if you want to say "手" in English, you can simply use the word "hand".