有约在先 yǒuyuēzàixiān to have a previous engagement Origin Definitions Defs Strokes Stroke Words Sentences Sents 有 yǒu verb to have to have; to possess; to include; to carry (a trait or quality)约 約 yuē nounverb pact An agreement, pact, treaty, or contract.在先 zàixiān previously formerly; in the past; beforehand