arse about face
背道而驰
口语·形容做事颠倒或混乱
英文释义
to do something in a completely disorganized or backwards manner
例句
He did the whole project arse about face and had to start over.
典故来源
源自英国俚语，字面意为“屁股朝脸”，形容做事顺序颠倒或混乱。