苦口 kǔ kǒu

DEFINITIONS

  1. lit. bitter taste (cf good medicine tastes bitter 良藥苦口|良药苦口)
  2. fig. earnestly (of warning, advice)

CHARACTERS

苦 kǔ
HSK 4
bitter; hardship, suffering
口 kǒu
HSK 3
mouth; open end; entrance, gate