To move swiftly on foot so that both feet leave the ground during each stride.
예문
1. run a cart into a wall (수레를 벽에 처박다) 2. The novel ran into thirty editions. (그 소설은 30판을 거듭했다) 3. He felt as if his blood had run cold. (그는 피가 얼어붙는 듯했다) 4. run high (높아지다) 5. a five-minute run before breakfast (아침식사 전 5분간의 구보)
