売ばい買ばい契けい約やくMeaningsNoun1. contract for (of) saleKanji used売sell買buy契pledge約promisePitch accentばいばいけいやくComposed of売ばい買ばいtrade; buying and selling; trafficking (e.g. of humans, arms, drugs); dealingNoun契けい約やくcontract; compact; agreementNounExamples1彼かれは彼かれらと家か具ぐの売ばい買ばい契けい約やくをした。He made a bargain with them about the furniture.