我们会被好闻的味道吸引，难闻的味道则会让我们退避三舍。We are attracted by nice smells and recoil from nasty ones.两个男人都在抽着难闻的烟斗。Both men were smoking evil-smelling pipes.那个真空吸尘器有股很难闻的气味。The vacuum has an unpleasant smell....

“难闻的”的英语可以翻译为：[医]foul ...