icing on the cake
锦上添花
口语·表达锦上添花
英文释义
an additional benefit or pleasant surprise that enhances an already good situation
例句
Getting a promotion was great, but the bonus was the icing on the cake.
典故来源
源自烘焙文化，蛋糕上的糖霜本是额外装饰，比喻在已有好事基础上再添惊喜，最早见于20世纪初的英语谚语。