on a silver platter
不费吹灰之力地；一帆风顺地
口语·表达轻易获得或无需努力
英文释义
to have something handed to you easily or without effort
例句
He got the promotion on a silver platter without any hard work.
典故来源
源自古代贵族用银盘盛放食物献给贵客，象征不劳而获或轻易得到特权。