bare one's teeth

of an animal broadly idiomatic

(of an animal) To show its teeth as a sign of aggression. / (idiomatic, by extension) To show aggression.

Japanese Meaning

動物が攻撃のサインとして牙をむき出しにする / 比喩的に攻撃的、または威嚇する態度を示す

To bare one's teeth is the instinctive reaction of many animals when they feel cornered.

追い詰められたときに歯をむき出しにすることは、多くの動物の本能的な反応です。

Sense（1）

(of an animal) To show its teeth as a sign of aggression.

Sense（2）

(idiomatic, by extension) To show aggression.

bares one's teeth

（ present singular third-person ）

baring one's teeth

（ participle present ）

bared one's teeth

（ participle past ）

bared one's teeth

（ past ）