undeveloped (area); unexplored (field of study); wild (areas); untapped area
frontier (esp. the American frontier); frontier (of a field); forefront (of science, technology)
disadvantage; drawback; demerit; bad point; minus
to leak out; to escape; to find expression; to give vent; to leak out; to be divulged
medical examination (for a specific condition or disease); health screening
to follow around; to shadow; to tag along; to haunt one (e.g. feeling, failure); to follow one
unfair; unjust; wrongful; improper; unreasonable; unwarranted
serious matter; major incident; matter of grave concern; crisis
entrusting (everything to); leaving (a matter) entirely with
total; complete; all-out; general; extensive; full-scale
everything working out as desired
for today; for the time being
picking; collecting; harvesting; extraction
unusual occurrence; variation; mutation
as soon as possible; ASAP
frequently; repeatedly; eagerly; keenly; hard; terribly
to look downwards; to lower one's eyes
to well up (of tears, anger, joy, etc.); to surge up (within oneself); to rise; to feel nauseated; to feel sick
with; by; because of; on account of; on (a day, date); at (a time); adds emphasis to preceding word
to descend (e.g. a mountain); to go down; to alight (e.g. from bus); to get off; to step down; to retire; to be granted
severe (illness, disability, etc.); serious
effectiveness; efficacy; efficaciousness
future prospects; promise
blunt; to the point; direct; outspoken; frank
to supplement; to make up for; to compensate for; to cover (a shortage, loss, etc.); to fill (e.g. a vacancy)
astonishment; amazement; surprise; fright; shock
cannot help (laughing, feeling sympathy, etc.); cannot hold back (tears, anger, etc.); cannot suppress
a cut above; one step above
how; in what way; in what manner
there's no knowing; there's no telling; it's anyone's guess; who knows?
meddling (in); butting in; interference; poking one's nose into
nonsense; (having) terrible taste; unstylish
(written) contract; agreement
to hand (over); to deliver in person
clone; kroon (former currency of Estonia)
enumeration; citation; listing
clause; article; stipulations
to incorporate; to include; to fill (a vessel) with