Allow the generator to run for about twenty minutes to "run-in" the brush.
Take it from me, he wasn't the kind you want to have a run-in with—any time.
Forget her a minute and brace yourself for a run-in with that gang of rag-chewers in there.
Miss Langdon, you sure do look as if you'd been having a run-in with the governor.
We—we corrupt moderns—do expect a quickening up ...