預約 yùyuē HSK6 appointment; to book Origin Definitions Defs Strokes Stroke Words Sentences Sents yùyuē appointment; to book 预 預 yù adverbverb prior (bound form) beforehand; in advance; prior (used as an adjective or adverb before a verb)约 約 yuē verb to make an appointment To make an appointment; to invite someone out.yùyuē preliminary contract 预 預 yù adverbverb prior (bound form) beforehand; in advance; prior (used as an adjective or adverb before a verb)约 約 yuē nounverb pact An agreement, pact, treaty, or contract.