定期 On the HSK 3 vocabulary list, at CEFR level B1. dìngqī ㄉㄧㄥˋ ㄑㄧ at set dates at regular intervals periodic limited to a fixed period of time fixed term 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