medicine; pharmaceuticals; efficacious chemical (gunpowder, pesticide, etc.); (pottery) glaze; (illegal) drug; narcotic
development; exploitation
affinity; compatibility; chemistry (between people)
difference; variation; difference
always; without exception; necessarily; certainly; without fail; positively
research establishment; research institute; laboratory
laboratory animal; experimental animal
administration; medication; dosage
by means of; due to; because of; according to
to raise one's hand; to surrender; to raise one's hand to someone (as a threat to strike); to become better (at something); to improve; to throw one's hat in the ring
lackey; minion; sycophant; errand boy
for two people's eyes to meet; catching someone's eye; making eye contact; meeting a person's gaze
common sense; good sense; common knowledge; general knowledge; common practice; accepted practice
(practical) experience; personal experience; hands-on experience; first-hand experience
to appear on the market; to be in season (e.g. fruit); to circulate widely; to make the rounds; to go around
transactions; dealings; business
free (of charge); gratuitous
offer; tender; providing; sponsoring (a TV program)
side effect; adverse reaction
nonexistent; not being (there); unowned; not had; unique; not; impossible
data collection; data acquisition
stage; step; level; rank; order; stairs
have to (verb); must (verb); is indispensable; absolutely necessary
to declare; to assert; to state definitively; to finish saying; to say it all; to finish one's sentence
trial product; prototype model
subject (of a medical experiment, etc.); test subject; trial subject; examinee (of a full-body scan, etc.)
mental derangement; insanity; psychosis
prognostic symptoms; after-effect
to torment; to pain; to inflict (physical) pain; to harass; to cause (emotional) pain; to afflict
answer; reply; response; answer; solution; result
shuddering; shivering; trembling; being horrified; being disgusted
to distribute; to hand out; to deliver; to allot; to allocate; to place (staff, soldiers, etc.)
true character; true heart; true spirit
affair; state; verdict; sentence; directions; orders
disappointed; dejected; disheartened; indignant; angry
to stop talking; to break off; to pause
to throw at; to turn; to raise
to engage in; to participate in; to take part in; to be involved in
end; tip; extremities; terminal
all; everything; entirety; absolutely (not); (not) at all; (none) whatsoever