an old wives’ tale
成語所屬單字old
an old wives’ tale — 慣用語
1. An old belief that is now known to be untrue.
1.慣用語
釋義
無稽之談
An old belief that is now known to be untrue.
例句
Eating carrots improves your eyesight is an old wives' tale.
Don't believe that old wives' tale about cracking your knuckles.