飞来横祸 fēiláihènghuò unexpected disaster Definitions Defs Origin Strokes Stroke Words Sentences Sents 飞 飛 fēi unexpected (bound form) accidental; unexpected来 來 lái verb to come To come; to arrive; to move toward the speaker; to crop up or happen横祸 橫禍 hènghuò unexpected calamity An unexpected disaster or sudden misfortune.