蛇足

蛇足	shé zú	lit. legs on a snake / sth superfluous
蛇	shé	variant of 蛇
蛇	shé	snake / serpent / CL:条
蛇	yí	used in 委蛇
足	jù	excessive
足	zú	(bound form) foot; leg / sufficient; ample / as much as; fully