play second fiddle
处于次要或被忽视的角色；不起重要作用
口语·表达处于次要地位
英文释义
to be in a subordinate or supporting role; to take a less important or prominent position
例句
I'm tired of playing second fiddle to my brother in the family business.
典故来源
源自管弦乐队中第二小提琴手通常演奏和声部分，处于辅助首席小提琴手的次要位置。