old chestnut
陈词滥调、老掉牙的笑话或故事
口语·指老掉牙的笑话
英文释义
a joke, story, or idea that has been repeated so often that it is no longer funny or interesting
例句
He told that old chestnut about the chicken crossing the road again.
典故来源
19世纪戏剧中常用陈腐笑话，chestnut（栗子）比喻反复使用的老梗。