pron.you (second person singular); your
Why didn't you come today?
You don't like it?
Does she know you?
Are your all well?
pron.(second person plural) you
Your company should send the goods as soon as possible.
Your department should finish the work on time.
Your department should rectify as required.
pron.(used coordinately with 我 or 他 in parallel structures to indicate several or many people behaving the same way)
We kept looking at one another without saying a word.
There is no distinction between us.
A lively conversation went on with everybody joining in.
pron.one (referring to anyone); everyone
One should not speak in a loud voice in the library.
You can't trust a person like that.
You scratch my back, I'll scratch yours.
What can you do with a person like that?