cave in
答應與某人或某事物妥協；屈服；退縮
口語·表示屈服或妥協
英文釋義
to yield or give in to pressure, demands, or persuasion
例句
After hours of negotiation, the manager finally caved in to the workers' demands.
典故來源
原指洞穴或地面塌陷，后比喻人在壓力下像洞穴一樣崩塌、放棄立場。