约定 Traditional (Taiwan): 約定 On the HSK 6 vocabulary list, at CEFR level C2. yuēdìng ㄩㄝ ㄉㄧㄥˋ to agree on sth (after discussion) to conclude a bargain to arrange to promise to stipulate to make an appointment stipulated (time, amount, quality etc) an arrangement a deal appointment undertaking commitment understanding engagement stipulation Sources CC-CEDICT, CC BY-SA 4.0 pinyinjs, Apache-2.0 国际中文教育中文水平等级标准, 中华人民共和国教育部, MIT