喧けん嘩かを買かう

expression, godan verb (-u)

get into a fight; take up a challenge; accept a provocation

Idiomatic expression meaning to willingly accept or respond to a provocation, challenge, or fight instead of ignoring it. Often used when someone rises to the bait.

• 彼かれは相あい手ての挑ちょう発はつに乗のって喧けん嘩かを買かった。

  He took the bait and got into a fight with the other person.

• そんな言いい方かたをされたら、喧けん嘩かを買かうしかないだろう。

  If you're spoken to like that, you have no choice but to take up the challenge.