牛溲马勃 niú sōu mǎ bó

DEFINITIONS

  1. cow's piss, horse's ulcer (idiom); worthless nonsense
  2. insignificant

CHARACTERS

牛 niú
HSK 2
cow, ox, bull; KangXi radical93
溲 sōu urinate; soak, drench
马 mǎ
HSK 3
horse; surname; KangXi radical 187
勃 bó
HSK 6
suddenly, sudden, quick