ago; since; before; previous
same; identical; equal; anyway; anyhow; in either case
research establishment; research institute; laboratory
to work; to labor; to function; to operate; to commit (e.g. a crime); to perpetrate
person; character; one's character; one's personality; able person; talented person
to carry off; to run away with; to sweep away; to take entirely for oneself; to monopolize
perhaps; likely; probably; I dare say
participation; taking part in; participating in; being concerned in
good; advantage; sake; purpose; consequence; result
that; it; then; that point (in time); (arch.) there; (arch.) you
call; visit; inquiry; enquiry; question
to memorize; to memorise; to learn; to pick up; to feel; to think
human being; human; person; character (of a person)
abrupt; sudden; unexpected
ageing; aging; senile deterioration
center; centre; middle; -centered; -centred; -focused
knowing; (an) acquaintance
(face) mask; (facial) features; looks; mask (e.g. for circuit etching)
to be aware of; to know; to notice; to feel; to understand; to comprehend; to remember
force; strength; capability; ability; efficacy; effect; effort
to borrow; to have a loan; to rent; to hire
to catch; to capture; to catch hold of (someone); to stop (e.g. a stranger in the street); towards (someone); at (someone)
for; for the sake of; to one's advantage; because of; as a result of
to save; to rescue; to help; to assist; to support (financially); to contribute (to)
to cling to; to hold on to; to grapple; to set about doing; to begin; to take hold of
which (of three or more); well; now; c'mon
extent; degree; limit; bounds; (span of) time; (a) distance; the state of
danger; peril; hazard; risk
to understand; to comprehend; to become clear; to be known; I know!; I think so too!
everything; all; the whole; entirely; completely; wholly
to end; to come to an end; to close; to finish
to want; to wish for; to request; to demand; to seek; to search for
answer; reply; response; answer; solution; result
to take out; to get out; to put out; to reveal; to submit (e.g. thesis); to turn in; to publish
it seems; I think; I guess; right?; don't you agree?
visit for no reason; go on fool's errand
certainly; of course; even if; no matter (who, what, when, where, why, how); without even; without so much as; at the (least, earliest, etc.)
to say; to utter; to name; to call; to go (e.g. "the alarm went ping"); to make a noise
once; one time; temporarily; for a moment; one degree; one tone
after that; afterwards; thereafter
monitoring; watching; observation; surveillance; guarding; supervision