上发条 shàngfātiáo to wind up Origin Definitions Defs Strokes Stroke Words Sentences Sents 上 shàng particleverb to apply to put on; to paint; to fix or install; to screw or wind up发条 發條 fātiáo noun spring the clockwork spring of a mechanical device like a watch or windup toy, which provides power as it unwinds