堕 (w)

(duò) to fall; to degenerate

堕楼 (w)

(duòlóu) to jump to one's death

堕胎 (w)

(duòtāi) to induce an abortion; induced abortion

堕落 (w)

(duòluò) to morally degenerate; to become depraved; a fall from grace; a fall into sin or depravity

堕云雾中 (w)

(duòyúnwùzhōng) lit. to become lost in a fog (idiom); fig. at a complete loss