Correct
狗嘴里吐不出象牙
/ gǒu zuǐ lǐ tǔ bù chū xiàngyá /
Strokes
Definition
no ivory comes from the mouth of a dog (idiom)/no good words are to be expected from a scoundrel
Example
Definition
no ivory issues from the mouth of a dog; a filthy mouth can't utter decent language; what can you expect from a dog but a bark