sú yǔ > gǒu zuǐ lǐ tù bù chū xiàng yá lái



nínshìfǒuzàixúnqiú： 狗嘴里吐不出象牙 狗嘴里吐不出象牙来 狗嘴里吐不出象牙 狗嘴里吐不出象牙来 gèngduōjiéguǒ...

yīngwénjièshì: n.  What can you expect from a pig but a grunt. n.  What can you expect from a hog but a grunt.