操劳

操劳	cāo láo	to work hard / to look after
操	cāo	old variant of 操
操	cāo	to grasp / to hold / to operate / to manage / to control / to steer / to exercise / to drill (practice) / to play / to speak (a language)
操	cào	variant of 肏
劳	láo	(bound form) to toil; labor / (bound form) laborer / (bound form) meritorious deed / (bound form) fatigue / to put sb to the trouble (of doing sth) / to express one's appreciation (Taiwan pr. [lao4])