加か勢せい

noun, noun or participle which takes 'suru', intransitive verb

assistance; backing; reinforcements

Used for providing help, support, or additional people in a situation, often in a physical or confrontational context. Can be used as a noun or with する to mean 'to help' or 'to reinforce'.

• 彼かれは友とも達だちに加か勢せいを頼たのんだ。

  He asked his friend for help.

• 警けい察さつが加か勢せいに来きた。

  The police came as reinforcements.

• 喧けん嘩かに加か勢せいするのはやめたほうがいい。

  You shouldn't join in a fight to help someone.