不知丁董 — Chinese idiom

Meaning

• forgetting the fate of Ding and Dong
• unheeding the lessons of the past

Character by character

• 不bùno, not, un-; negative prefix
• 知zhīto know, to perceive, to comprehend
• 丁Dīngmale adult; robust, vigorous; 4th heavenly stem
• 董Dǒngto direct, to supervise; surname

Idioms sharing a character

• 一丁不识 yī dīng bù shí
• 一尘不染 yī chén bù rǎn
• 一字不差 yī zì bù chà
• 一字不提 yī zì bù tí
• 一成不变 yī chéng bù biàn
• 一文不值 yī wén bù zhí
• 一毛不拔 yī máo bù bá
• 一病不起 yī bìng bù qǐ
• 一窍不通 yī qiào bù tōng
• 一笔不苟 yī bǐ bù gǒu

Data: CC-CEDICT (CC BY-SA 4.0); Unihan Database (Unicode License v3). Retrieved 2026-10-22.