please yourself

Từ điển Oxford Advanced Learner 8th

▪ I. ˌplease yourˈself idiom
(informal)used to tell sb that you are annoyed with them and do not care what they do
•‘I don't think I'll bother finishing this.’ ‘Please yourself.’
Main entry: ↑please_idiom
 
▪ II. ˌplease yourˈself | ˌdo as you ˈplease idiom
to be able to do whatever you like
•There were no children to cook for, so we could just please ourselves.
Main entry: ↑please_idiom