adjective🔗Share不知疲倦,孜孜不倦。 Extremely persistent and untiring."The indefatigable student studied all night, determined to master the challenging material. "这位不知疲倦的学生决心掌握这些有难度的知识,所以学习了一整夜。characterabilityattitudepersonChat with AIVocabulary GamePractice Reading