ノック, たたく音
to hit something (such as a door) with the knuckles of your hand or with a hard object in order to get attention
打撃, 衝撃
a blow or hit, especially one that causes damage or injury
ノックする, たたく
ぶつかる, たたく
to hit something or someone, especially by accident
けなす, 非難する
to criticize or disparage something or someone