if you don't mind

Từ điển Oxford Advanced Learner 8th

if you ˌdon't ˈmind | if you ˌwouldn't ˈmind idiom
1. used to check that sb does not object to sth you want to do, or to ask sb politely to do sth
• I'd like to ask you a few questions, if you don't mind.
• Can you read that form carefully, if you wouldn't mind, and then sign it.
2. (often ironic)used to show that you object to sth that sb has said or done
•I give the orders around here, if you don't mind.
3. used to refuse an offer politely
•‘Will you come with us tonight?’ ‘I won't, if you don't mind— I've got a lot of work to do.’
Main entry: ↑mind_idiom