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run (something) by (one)
To casually explain something to someone; to inform someone about something. I have an idea I'd like to run by you. OK, run the plan by me one more time.
run by (some place)
To briefly visit or stop at some location, especially so one can collect something. I just need to run by the office and get my phone charger. Do you mind if we run by the grocery store to pick up some milk on the way home?
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.
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.