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
individual differences; personal equation
trial product; prototype model
beginning; outset; first; onset
subject (of a medical experiment, etc.); test subject; trial subject; examinee (of a full-body scan, etc.)
mental derangement; insanity; psychosis
to raise; to raise up; to wake; to wake up; to cause; to bring about; to start
prognostic symptoms; after-effect
to torment; to pain; to inflict (physical) pain; to harass; to cause (emotional) pain; to afflict
rumour; rumor; report; hearsay; gossip; common talk
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
detailed; full; minute; knowing very well; knowledgeable (about); well-acquainted (with)
why?; what for?; how?; by what means?
disappointed; dejected; disheartened; indignant; angry
once; one time; temporarily; for a moment; one degree; one tone
suddenly; at once; considerably; very much; firmly; with an effort
to stop talking; to break off; to pause
to squeeze out; to wring out
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
to inform; to notify; to know; to reign
headquarters; head office; main office
to be full; to wax (e.g. moon); to rise (e.g. tide); to mature; to expire
experiments using animals; in-vivo testing; animal testing
being in charge (of an area of responsibility); being responsible (for a work role, etc.)
to keep a record; to keep a tally
to be tired of; to be sick of; to get fed up with