also: ケンカがつよい
expression, i-adjective
good at fighting; usually wins fights
Describes someone who is physically strong in a fight or tends to come out on top in physical confrontations. Often used in casual or colloquial contexts.
彼は喧嘩が強いから、誰も手を出さない。
He's good at fighting, so nobody messes with him.
あの子は小さいけど、意外と喧嘩
That kid is small, but surprisingly good in a fight.
A set phrase combining 喧嘩 (fight) with が強い (is strong). The exact origin is uncertain, but it follows a common pattern of describing a trait with が + adjective.