胜人一筹;(比自己过去)做得更好
go one better (than sb / sth)
to do sth better than sb else or than you have done before
She did well this year and next year she hopes to go one better.今年她干得不错,她希望明年更上一层楼。
释义来自《牛津高阶英汉双解词典》第 9 版