repeating a course; taking a course again
for a moment; even as a joke; even in the slightest degree
half-sibling (by a different father); uterine sibling; maternal half-sibling; half-brother; half-sister
sperm bank; semen bank; cryobank
urine sampling; urine collection; giving one's urine
silence; keeping silent; giving no notice; giving no warning; wordless pantomime performed in the dark (in kabuki)
decrease; diminution; loss; impairment
much less; to say nothing of
noisy; loud; annoying; troublesome; fussy; finicky
weak ending; tapering; anticlimax; tame ending
variable light (e.g. with a dimmer); photochromatic; dimmer; dimmer control
foolishness; fool; moha (ignorance, folly)
roar; peal; rumble; beating; pounding; throbbing
still (continuing); as ever; further
excellent speech; masterly speech
graphic artist; CGI artist; video game artist
wind egg; unfertilized egg; unfertilised egg
reading too much into things
to strain (one's ears, eyes); to prick up (one's ears)
bossy person; self-appointed manager; bossyboots
nonexistent; unreal; imaginary; spurious
you are quite right; reasonable; natural; just
large dictionary; comprehensive dictionary; unabridged dictionary
metre; meter; meter; gauge
arbitrariness; self-will; whim
foil; someone to look as if he's putting up a fight but actually have no chance of winning
inventor; designer; planner
not necessarily; not entirely; not altogether
obscurity; mystery; abstruseness
required subject; compulsory course