不會對某人有壞處;不妨
it wouldn't do sb any harm (to do sth)
(做某事)不會對某人有壞處;不妨
used to suggest that it would be a good idea for sb to do sth
It wouldn't do you any harm to smarten yourself up.你不妨打扮一下。
釋義來自《牛津高階英漢雙解詞典》第 9 版