to be effective; to take effect; to work; to function well; to be possible (to do, use, etc.); to be able to
medicine; pharmaceuticals; efficacious chemical (gunpowder, pesticide, etc.); (pottery) glaze; (illegal) drug; narcotic
effect; effectiveness; efficacy; effects (e.g. sound effects, visual effects, special effects)
investigation; examination; inquiry; enquiry; survey
in succession; one after another
intention; plan; belief; assumption; estimate; estimation
to be weary; to be worn out; to be fed up (with); to be sick of; to be dejected; to be dispirited
usual; normal; everyday; usually; normally; generally
seeming; giving the appearance of; giving one the feeling of
to pass (time); to spend; to overdo (esp. of one's alcohol consumption); to drink (alcohol); (arch.) to take care of; (arch.) to support
once; one time; temporarily; for a moment; one degree; one tone
being enthusiastic about; being wild about; being absorbed in; being engrossed in; being devoted to
to take out; to get out; to put out; to reveal; to submit (e.g. thesis); to turn in; to publish
day and night; around the clock
to grapple with; to wrestle with; to engage in a bout; to tackle (e.g. a problem); to come to grips with; to work hard on
it is ... that ...; precisely; although; while; it is precisely because ... that ...; only because ...
bed and food; eating and sleeping
to forget; to leave carelessly; to be forgetful of; to forget about; to forget (an article)
final; eventual; ultimate
one's personal belongings; one's vicinity; one's daily life; everyday necessities
care; looking after; trouble; bother; good offices; recommendation
to get stuck with (some job); to end up with (something unpleasant)
to fasten (something or someone) to; to tie (to); to fix; to bind
although I say; although one might say; although called
willpower; guts; determination; character; nature; disposition
in front (of); before (e.g. a building); before; earlier; (the) front; frontal part; forward
to be fed up (with); to be tired (of); to be stumped; to be nonplussed; to wince; to shrink back
bad; poor; poor (quality); inferior; evil; sinful; ugly
illness (usu. excluding minor ailments, e.g. common cold); disease; bad habit; bad behaviour; crazy; insane
to leave; to exit; to leave (on a journey); to depart; to move forward; to come to; to get to
which (of three or more); well; now; c'mon
appearing that; seeming that; looking like; having the appearance of
only; merely; approximately; about; just (finished, etc.); as if to; (as though) about to
now (while the time is ripe); while one still can
to collect; to put (it all) together; to summarize; to aggregate; to bring to a conclusion; to finalize
had better ...; had better not ...
to have medicine be effective
search; lookup; hunt; (item of) research; exploration; investigation
on the occasion of; circumstances; juncture
whether or not (in phrases like "I don't know whether or not I can come")
to be affected; to be influenced; to be concerned with; to have to do with; to stick to (opinions)
if it is the case that ...