不懈 Save Sign in to save words On the HSK 7-9 vocabulary list, at CEFR level C2. bùxiè ㄅㄨˋ ㄒㄧㄝˋ untiring unremitting indefatigable Character by character 不(bù)no 懈(xiè)lax Words with 不懈 Ending with 不懈 坚持不懈 Words with 不懈 Ending with 不懈 堅持不懈 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