watch your back
注意周圍的威脅或危險,保護自己免受傷害。
口語·提醒小心提防
英文釋義
to be cautious and wary of potential danger or betrayal
例句
In this business, you always have to watch your back.
典故來源
源于對潛在危險或背叛的警惕,常見于冒險或競爭環境。