Word根本gēnběnMeaningat all; simplyPart of speechadverbPronunciationCourseHardcore ChineseLessonCaring for indoor plantsUsages of gēnběn我wǒ 根本gēnběn 不bù 懂dǒng。wǒ gēnběn bù dǒng.I do not understand at all.