facial expression; countenance; look; appearance; expression (vocal, etc.)
to erase; to delete; to turn off (power); to switch off; to extinguish; to put out
but (still); and yet; nevertheless; even so; notwithstanding
overserious; deeply sincere; very earnest
answer; reply; response; answer; solution; result
to return (something); to restore; to turn over; to turn upside down; to pay back; to retaliate; to respond (with)
faithful; devoted; loyal; honest; true
good; advantage; sake; purpose; consequence; result
indicates a question; or; whether or not; some- (e.g. something, someone); hmm; huh; very
quite; entirely; completely; as if; as though; just like
faint; dim; weak; poor; wretched; meagre
to shiver; to shake; to quake; to tremble; to quaver; to quiver
voice; singing (of a bird); chirping (of an insect); voice; opinion (as expressed in words); sound; sense (of something's arrival)
to crowd out; to push out; to start together; to set out en masse; to highlight; to draw attention to
illness (usu. excluding minor ailments, e.g. common cold); disease; bad habit; bad behaviour; crazy; insane
what is called; as it is called; the so-called; so to speak
body; torso; trunk; build; physique; health
opponent; rival; adversary; menace; danger; threat
recognition; awareness; perception; understanding; knowledge; cognition
attack; assault; raid; criticism; censure; denunciation
to start; to begin; to start up (a business, society, etc.); to open (e.g. a store); to start ...; to begin to ...
a kind; a sort; of sorts; something of a; sort of; somewhat
immunity; immunization; immunisation; being hardened (to); being unaffected (by); being accustomed (to)
obstacle; impediment; hindrance; handicap; impairment; disability
encroachment; erosion; corrosion
bacterium; bacteria; germ
it is not (like that) either
to be (of animate objects); to exist; to stay; to be ...-ing; to have been ...-ing
(some) more; even more; longer; further
discovery; detection; finding
may; might; perhaps; may be; possibly