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 the horse up and down. (그는 말을 몰아 여기저기를 달렸다) 3. run back (달려서 돌아오다) 4. Seeing me, he ran off. (나를 보자 그는 도망쳤다) 5. I ran him up the stairs. (나는 그에게 급히 계단을 오르게 했다)
