历时 Traditional (Taiwan): 歷時 On the HSK 7-9 vocabulary list, at CEFR level C2. lìshí ㄌㄧˋ ㄕˊ to last to take (time) period diachronic 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