malefaction
n.
early 15c., from Medieval Latin malefactionem (nominative malefactio), noun of action from past participle stem of malefacere (see malefactor).
〔李〕[male-=evilly 恶意地；fact=to do 做；-ion n.= -ing⇒“doing evilly 恶意地干”→] n. evil deed；crime 坏事；犯罪
〔蒋〕[fact=do，make做，作（fact也作fac），-ion名词后缀] 犯罪的行为，坏事