象牙(ぞうげ)

ivory

牙城(がじょう)

stronghold; main base

牙(きば)をむく

to bare one's fangs; to turn hostile

牙(きば)を研(と)ぐ

to sharpen one's fangs; to prepare for revenge

牙(きば)を抜(ぬ)く

to take the bite out of; to disarm

毒牙(どくが)

venomous fang; evil influence

牙(きば)を立(た)てる

to sink one's fangs into; to attack

象牙(ぞうげ)のアクセサリーは高価(こうか)です。

Ivory accessories are expensive.

敵(てき)の牙城(がじょう)を攻(せ)めます。

We will attack the enemy's stronghold.