“不洁”的英语可以翻译为：[医]impurity，filth，nastiness ...

我们翻看他们的八卦时带着不洁的想法。We read the gossip written about them with prurient interest.店里的一些地方十分肮脏不洁，简直就是滋生细菌的理想温床。Parts of the shop were very dirty, unhygienic, and an ideal breeding ground for bacteria.伤口不洁可受感染.A dirty cut may...