jat1 lap1 lou5 syu2 si2 waai6 liu5 jat1 wo1 zuk1一粒老鼠屎壞了一鍋粥一粒老鼠屎坏了一锅粥

Jyutpingjat1 lap1 lou5 syu2 si2 waai6 liu5 jat1 wo1 zuk1
Yaleyāt lāp lóuh syú sí waaih líuh yāt wō jūk

Definition

One bad apple spoils the bunch; a single bad element ruins the whole thing.

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