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	to toil / labor / laborer / to put sb to trouble (of doing sth) / meritorious deed / to console (Taiwan pr. [lao4] for this sense)