rest your case

Từ điển Oxford Advanced Learner 8th

ˌrest your ˈcase idiom
1. I rest my case (sometimes humorous)used to say that you do not need to say any more about sth because you think that you have proved your point
2. (law)used by lawyers in court to say that they have finished presenting their case
•The prosecution rests its case.
Main entry: ↑rest_idiom