Vocabulary from HP4, part 1

The recent purchase of a "beamer" (word used by Germans for projector) has made dvd watching a dream. I made really good progress when I was spending a couple hours an evening watching German movies, so I popped in Harry Potter 4. Here is a list of German words that I didn't recognize, and their English definitions, from just the first 5 minutes.

der Kelch	goblet
verdammt	damned
der Bengel	rascal	as in, verdammten Bengel
der Schwanz	tail	as in, Wurmschwanz. Also a colloquial term for a male appendage.
wählerisch	picky
das Abflussrohr	drain
die Aufgabe	assignment
pflegen	to tend/nurse	as in, it is your Aufgabe to pflegen me (Voldemort).
die stufe	step
knarren	to creak	plötzlich knarrt die Stufe
mühselig	laborious	mühen is to labor, selig is blessed
möglicherweise	possibly
verzichten	to relinquish
enttäuschen	to disappoint
das Zeichen	signal	as in, send the Zeichen to the other Deatheaters
treten	to step
beiseite	aside
empfangen	to receive
der Albtraum	nightmare
aufwachen	to wake up	"Wach auf Ron!" (Hermione)
der Wahnsinn	madness	"Wahnsinn!" (Ron)
anziehen	to dress
prahlen	to brag