blow somebody out of the water

Từ điển Oxford Advanced Learner 8th

blow sb/sth out of the ˈwater idiom
(informal)
1. to destroy sb/sth completely
2. to show that sb/sth is not good by being very much better than it/them
•A DVD music system plays discs that look like CDs, but blows them out of the water.
Main entry: ↑blow_idiom