约束 yuēshù HSK5 to restrain Definitions Defs Origin Strokes Stroke Words Sentences Sents yuēshù to restrain · restriction 约 約 yuē verbnoun to restrict (bound form) To restrict or restrain; to limit.束 shù adjectivenoun to restrain (bound form) to control, limit, or restrain, as in the words 约束 yuēshù or 管束 guǎnshùyuēshù to agree 约 約 yuē nounverb pact An agreement, pact, treaty, or contract.束 shù verb to bind to bind; to tie together; to bundle up; also used figuratively as in to pack or prepare for a journey