开夜车 Save Sign in to save words Traditional (Taiwan): 開夜車 On the HSK 6 vocabulary list, at CEFR level C2. kāiyèchē ㄎㄞ ㄧㄝˋ ㄔㄜ to burn the midnight oil to work late into the night Character by character 开(kāi)open 夜(yè)night 车(chē)car A Chinese word or character, or English Search 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