you

1. Do you have a room available?
   你们有空房间吗？
2. Do you speak English?
   你会说英语吗？
3. How late are you open?
   你们营业到几点？
4. You must all listen carefully.
   你们都必须仔细听着。

you

pron.（代词）
Used to refer to the one or ones being addressed:
你，你们：用于指代被称呼的人或人们：
例句：
I`ll lend you the book. You shouldn`t work so hard. Does she telephone you from San FranciscoôSee Regional Note at you-all
我会把书借给你。你不要工作得这么辛苦。她从旧金山给你们打电话了吗ô参见 you-all

Used to refer to an indefinitely specified person; one:
（泛指）一个人：用于指代不确定的人；某人：
例句：
You can`t win them all.
你无法打败他们所有的人

来源：
Middle English
中古英语
from Old English ôow [dative and accusative of] gô [ye, you] * see yu-
源自 古英语 ôow [] gô的与格和宾格 [你，你们] *参见 yu-