堕

呱呱堕地

gū gū duò dì

see 呱呱墜地|呱呱坠地[gu1 gu1 zhui4 di4]

堕楼

duò lóu

to jump to one's death

堕胎

duò tāi

to induce an abortion

堕落

duò luò

to degrade

堕云雾中

duò yún wù zhōng

lit. to become lost in a fog (idiom)

如堕五里雾中

rú duò wǔ lǐ wù zhōng

as if lost in a thick fog (idiom)

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)