Burning
dalaq (daw-lak')
to flame -- burning, chase, inflame, kindle, persecute(-or), pursue hotly.
lips
saphah (saw-faw')
the lip (as a natural boundary); by implication, language; by analogy, a margin (of a vessel, water, cloth, etc.)
and a wicked
ra` (rah)
bad or (as noun) evil (natural or moral)one), worse(-st), wretchedness, wrong. (Incl. feminine raaah; as adjective or noun.).
heart
leb (labe)
the heart; also used (figuratively) very widely for the feelings, the will and even the intellect
are like a potsherd
cheres (kheh'-res)
a piece of pottery -- earth(-en), (pot-)sherd, + stone.
covered
tsaphah (tsaw-faw')
to sheet over (especially with metal) -- cover, overlay.
with silver
keceph (keh'-sef)
silver (from its pale color); by implication, money -- money, price, silver(-ling).
dross
ciyg (seeg)
scoria -- dross.