以牙还牙 (以牙還牙) yǐ yá hái yá

yǐ yá hái yá set phrase a tooth for a tooth
Domain: Modern Chinese 现代汉语
Notes: (CC-CEDICT '以牙還牙')

Contained in

• 以眼还眼，以牙还牙(以眼還眼，以牙還牙) an eye for an eye, a tooth for a tooth; to use the enemy's methods against him