From Longman Dictionary of Contemporary Englishrun somebody/something ↔ in phrasal verb British English1 TTCto drive a new car slowly and carefully for a period of time so you do not damage its engine2 old-fashionedSCP if the police run a criminal in, they catch him or her → run→ See Verb table
Examples from the Corpus
run in• Those tensions erupted again when Migden and Achtenberg ran for supervisor in 1990.• Soup runs are planned in early March to feed the hungry Teessiders.• He has enough money to run simultaneously in several major states at once.• But the scheme ran into difficulties in the beginning and was criticised for sending solicitors to police stations miles away from their area.• This not being the case, then a few runs may occur in the dark.• They ran off in the direction of Northlands Road.• Their stories are bountiful in this engagingly mounted documentary, running Sunday night in three one-hour segments on the History Channel.run-inˈrun-in noun [countable] ARGUEan argument or disagreement, especially with someone in an official positionrun-in with Michael got drunk and had a run-in with the police.Examples from the Corpus
run-in• Sometimes it looks as though Limpar, who has had run-ins with manager George Graham, has no future at the club.• The Texas Lottery has had its run-ins with critics.• Ken had a terrible run-in with his boss yesterday.• There were run-ins with the law for some of that groping and grabbing.had a run-in• Sometimes it looks as though Limpar, who has had run-ins with manager George Graham, has no future at the club. 