结草

结草	jié cǎo	deep gratitude up to death
结	jiē	(of a plant) to produce (fruit or seeds) / Taiwan pr. [jie2]
结	jié	knot / sturdy / bond / to tie / to bind / to check out (of a hotel)
草	cǎo	variant of 草
草	cǎo	grass / straw / manuscript / draft (of a document) / careless / rough / CL:棵,撮,株,根
草	cào	variant of 肏