家贼难防,外鬼难抓 家賊難防,外鬼難抓 家賊難防,外鬼難抓

a thief in the house is hard to guard against, an outside ghost is hard to catch

Saying俗语俗語

Proverb谚语諺語 · Widely known

Meaning
Beware hidden wrongdoers within your own group, since they help outsiders to do harm.
Simplified
家贼难防,外鬼难抓
Traditional (Taiwan)
家賊難防,外鬼難抓
Pinyin
jiāzéinánfáng, wài guǐ nán zhuā
Bopomofo
ㄐㄧㄚ ㄗㄟˊ ㄋㄢˊ ㄈㄤˊ,ㄨㄞˋ ㄍㄨㄟˇ ㄋㄢˊ ㄓㄨㄚ

Written with HSK 7-9 vocabulary, at CEFR level C1.

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