To move swiftly on foot so that both feet leave the ground during each stride.
예문
1. hit and run (치고 달리기를 하다) 2. He ran to meet her. (그는 급히 가서 그녀를 맞이하였다) 3. The novel ran into thirty editions. (그 소설은 30판을 거듭했다) 4. I ran him up the stairs. (나는 그에게 급히 계단을 오르게 했다) 5. But still the boy ran on. (그러나 그 소년은 여전히 달렸다)
