You want him/her to return?
It can mean: ...do you want to give (it) back to him... ...do you want to turn him into...
Tu veux means 'you want' in English.
quand tu veux means 'whenever you want' in French.
mais tu veux ... means 'but you want...' in English.
Veux-tu m'épouser ? means "do you want to marry me?".
"do you want "
"veux-tu m'épouser ?" means "do you want to marry me?" in English.
Qu'est-ce que tu veux ? means "What do you want?".
qu'est ce que tu veux manger?What do you want to eat.
Whenever you want
'je sais ce que tu veux dire' or more standard: 'je vois ce que tu veux dire'
"je veux dire" translates as "I mean / I want to say" Tu vois ce que je veux dire ? = See what I mean?