狗嘴裡吐不出象牙
gǒu​zuǐ​lǐ​tǔ​bù​chū​xiàng​yá

nothing nice comes from a filthy mouth

  1. 狗 gǒu noun
    dog
    dog; canines in general
  2. 嘴里 嘴裡 zuǐ​li locativenoun
    in the mouth
    inside the mouth; on one's lips
  3. 吐 tǔ verb
    to spit
    to spit; to send out or release from the mouth; to stick out
  4. 不出 bù​chū
    not exceed
    to remain within a certain scope or range; to not go beyond a limit
  5. 象牙 xiàng​yá noun
    ivory
    elephant tusk; ivory as a material