牛溲马勃

Learn Today's Idiom (成语)

牛溲马勃

niú sōu mǎ bó

Cow's piss, horse's ulcer; worthless nonsense; insignificant

Traditional:

牛溲馬勃

他的解释完全是牛溲马勃,没有任何实际价值。

His explanation is utter nonsense, without any practical value.