Run errands 跑腿；出门办事
I have been running errands all day today and I am so tired!
Fool's errand 徒劳的努力
Are you sending me on a fool’s errand again? The last time you sent me to get tickets, the play wasn’t even on.
Be running on empty 勉强支撑
I've been working over 48 hours without sleep. And I am running on empty now.
Be running out of 用光...用完...
I'm running out of money. Could you lend me some?
Run over 溢出
The bathtub ran over and there was water all over the floor.
Run n. 演出连续上演的时期
The show had a record-breaking run in the New York theatre and it's a pity I haven't watched it.