| 堕 | [ duò  ]    to fall, to degenerate | 
| 堕楼 | [ duò loú  ]    to jump to one's death | 
| 堕胎 | [ duò taī  ]    to induce an abortion, induced abortion | 
| 堕落 | [ duò luò  ]    to degrade, to degenerate, to become depraved, corrupt, a fall from grace | 
| 堕云雾中 | [ duò yún wù zhōng  ]    lit. to become lost in a fog (idiom); fig. at a complete loss | 
| ⇒ 如堕五里雾中 | [ rú duò wǔ lǐ wù zhōng  ]    as if lost in a thick fog (idiom), in a fog, muddled, completely unfamiliar with sth | 
| ⇒ 如堕烟雾 | [ rú duò yān wù  ]    as if degenerating into smoke (idiom); ignorant and unable to see where things are heading | 
| ⇒ 自甘堕落 | [ zì gān duò luò  ]    to abandon oneself (idiom), to let oneself go |