ward off
防止或避免某种危险、问题或威胁
口语·描述预防或抵挡威胁
英文释义
to fend off or protect against something, often with the intention of preventing harm or danger
例句
She wore a lucky charm to ward off bad luck.
典故来源
源自古英语“weardian”，意为守护或防御，后引申为阻止危险。