To move swiftly on foot so that both feet leave the ground during each stride.
예문
1. hit and run (치고 달리기를 하다) 2. The cost runs to several million dollars. (그 비용은 수백만 달러에 이른다) 3. He ran to meet her. (그는 급히 가서 그녀를 맞이하였다) 4. run for the doctor (의사를 부르러 급히 가다) 5. His nose was running. (콧물을 흘리고 있었다)
