得知

得知	dé zhī	to find out / to learn of
得	dé	to obtain / to get / to gain / to catch (a disease) / proper / suitable / proud / contented / to allow / to permit / ready / finished
得	dè	used in 得瑟
得	de	structural particle: used after a verb (or adjective as main verb), linking it to following phrase indicating effect, degree, possibility etc
得	děi	to have to / must / ought to / to need to
知	zhī	to know / to be aware