pull leg
开玩笑，戏弄或愚弄某人
口语·轻松开玩笑
英文释义
to tease or joke with someone, often in a lighthearted or playful manner
例句
Are you pulling my leg? That story sounds too crazy to be true!
典故来源
19世纪英国俚语，可能源于绊倒他人开玩笑的动作，后指善意戏弄。