君はよくもそんな口がきけるもんだ。

you; buddy; pal; monarch; ruler; sovereign; (one's) master

topic marker particle; indicates contrast with another option (stated or unstated); adds emphasis

How dare ...; How could ...

such (about the actions of the listener, or about ideas expressed or understood by the listener); like that; that sort of

mouth; opening; hole; gap; orifice; mouth (of a bottle); spout; nozzle; mouthpiece; gate; door; entrance; exit; speaking; speech; talk (i.e. gossip); taste; palate; mouth (to feed); opening (i.e. vacancy); available position; invitation; summons; kind; sort; type; opening (i.e. beginning); counter for mouthfuls, shares (of money), and swords

indicates sentence subject (occasionally object); indicates possessive (esp. in literary expressions); but; however; still; and

to tell

person

be; is; indicates past or completed action; indicates light imperative