據理力爭 jù lǐ lì zhēng

DEFINITIONS

  1. to contend on strong grounds
  2. to argue strongly for what is right

CHARACTERS

據 jù to occupy, take possession of; a base
理 lǐ
HSK 3
reason, logic; manage
力 lì
HSK 3
power, capability, influence
爭 zhēng to dispute, fight, contend, strive