I'm going to run down to the emergency room and check it out. 我得马上去急救室看看。

　　Could you run down to the snack bar and get me some cookies? 你能赶紧去趟快餐店帮我买点饼干吗？

　　I've been feeling a little run down lately. 我最近有点累。

　　Did you go to the gym today? 你今天去体育馆了？

　　Yes, I exercised. Sweat is running down my shirt.  恩，去活动了一会。衣服都湿透了。