不知丁董 bù zhī Dīng Dǒng 🔊 forgetting the fate of Ding and Dong (idiom) + Keep this word Meanings bù zhī Dīng Dǒng forgetting the fate of Ding and Dong (idiom)unheeding the lessons of the past Its characters 不bùnot; noHSK 1知zhīto know丁dīngmale adultHSK 7–9董dǒngto supervise