家贼难防

【意思解释】词语解释 jiā zéi nán fáng ㄐㄧㄚ ㄗㄟˊ ㄣㄢˊ ㄈㄤˊ 家贼难防（家賊難防） ◎ 家贼难防 jiāzéi-nánfáng[thief in the family is difficult to detect; a thief from within is hard to guard against;it is difficult to forestall a thief within the house] 家属或内部的