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run something by (someone) (again)
to explain something to someone again; to say something to someone again. I didn't hear you. Please run that by me again. Please run it by so we can all hear it.
run something by somebody
to show someone something or tell them about it to get their opinion Would you run that by me again?
1. To run near or alongside someone or something: We were walking in the woods when suddenly a big moose ran by.
2. To encounter something while walking or running: We ran by two waterfalls during our hike in the mountains.
3. To tell, explain, or demonstrate something to someone: Please run those instructions by me again—I didn't hear them all.
4. To come to some place for a brief period of time: I ran by the store after work to pick up some milk.