協きょう力りょく一いっ致ち

noun, noun or participle which takes 'suru'

combined efforts; solidarity; joining forces

Emphasizes multiple parties uniting their efforts toward a common goal. Often used in formal or organizational contexts.

• 地ち域いきの安あん全ぜんのために、住じゅう民みんが協きょう力りょく一いっ致ちしてパトロールを行おこなった。

  For the safety of the community, residents joined forces and conducted patrols.