verb · to be moved by persuasion or soft tactics

他这人吃软不吃硬，你只要态度好点，他准会服软。

to acknowledge a mistake or make an apology to resolve a conflict

既然是你不对，你就向他服个软吧。

verb · to admit defeat or give in under pressure

无论对方怎么施压，他就是不服软。