Usage patterns
〈物〉を競りにかけるto put something up for auction
The fishermen put this morning's catch up for auction.
競りで〈物〉を落とすto win something through bidding at an auction
He won a valuable antique at the auction.
競りに参加するto take part in an auction
I took part in a fish market auction for the first time.
〈相手〉と競りになるto end up in a bidding war or competition with someone
The two buyers ended up in a bidding war over the high price.