全ぜん開かい

noun, noun or participle which takes 'suru', transitive verb, noun which may take the genitive case particle 'no'

fully open; opening fully

Describes something physically or metaphorically opened to its maximum extent, such as a door, window, or aperture.

• 窓まどを全ぜん開かいにして換かん気きした。

  I opened the window fully to ventilate the room.

• ドアが全ぜん開かいのままになっている。

  The door is left fully open.

noun, noun or participle which takes 'suru', transitive verb, noun which may take the genitive case particle 'no'

full throttle; full power; maximum output

Used for engines, machines, or effort operating at maximum capacity; often in phrases like 全開で走る or エンジン全開.

• エンジンを全ぜん開かいにして加か速そくした。

  I accelerated with the engine at full throttle.

• 彼かれは今日きょうも全ぜん開かいで仕し事ごとをしている。

  He is working at full power again today.