一粒老鼠屎壞了一鍋粥

一粒老鼠屎坏了一锅粥
lǎoshǔshǐhuàileguōzhōu
  1. lit. one pellet of rat feces spoiled the whole pot of congee (idiom)
  2. fig. one bad apple can spoil the whole bunch

CEDICT

Entry Composition

Related entries