壞了

shoot! / gosh! / oh, no! / (suffix) to the utmost

bad / spoiled / broken / to break down / (suffix) to the utmost

(completed action marker) / (modal particle indicating change of state, situation now) / (modal particle intensifying preceding clause)

to finish / to achieve / variant of 瞭|了[liao3] / to understand clearly

(of eyes) bright / clear-sighted / to understand clearly

unofficial variant of 瞭[liao4]

lit. one pellet of rat feces spoiled the whole pot of soup (idiom) / fig. one bad apple can spoil the whole bunch

lit. one pellet of rat feces spoiled the whole pot of congee (idiom) / fig. one bad apple can spoil the whole bunch

see 一粒老鼠屎壞了一鍋粥|一粒老鼠屎坏了一锅粥[yi1 li4 lao3 shu3 shi3 huai4 le5 yi1 guo1 zhou1]