used to describe someone who lives in a healthy and morally acceptable way, for example, by not taking any drugs

He is a clean-living teetotaler who doesn't even touch caffeine. 他是个滴酒不沾的禁酒主义者，甚至连咖啡因都不碰。

Young players were expected to be clean-living - not to smoke or drink alcohol. 年轻球员被期待过一种健康正派的生活——不吸烟也不喝酒。