1. 海量 have a hollow leg
Want to drink him under the table? Well…you can never do. He got a hollow leg, you know.
你想灌醉他？他可是海量，从来没有醉过。
2.略胜一筹 be a notch above
In oil painting, Mr.Zhang paints better than Mr.Li.But when it comes to water colors, Mr.Liu appears to be a notch above Mr.Zhang.
论油画，张先生比刘先生画得好。但是，谈到水彩画，刘先生可就比张先生略胜一筹了。