filtration; filtering; percolation
cooling; refrigeration; cooling down (of a political conflict, etc.); calming down
wonderful; astounding; marvellous
to be (in contrast to something that is not the case)
point of view; viewpoint; angle; visual point (position of the eye in calculations of optical instruments)
being deeply moved emotionally; excitement; passion; inspiration; deep emotion; strong impression
there is no need to; it is fine if you don't; unnecessary; does not match; out of reach of
target; object (of worship, study, etc.); subject (of taxation, etc.); coverage
at that time; in those days; at that moment; then
to bud; to sprout; to arise; to begin to grow
moment; instant; just then; right at that moment; for a moment; for an instant
to throw away; to cast away; to abandon; to desert; to give up; to resign
very difficult to ...; nearly impossible to ...
engineer; technical expert; technician; craftsperson
article; goods; fine thing; fellow; (arch.) prostitute; (arch.) price
challenge; defiance; dare; attempt; try
imprudent; indiscreet; immodest; indecent; inconsiderate; inappropriate
heart-pounding; exciting; thrilling; to have one's heart pound; to be thrilled
recklessly; thoughtlessly; pamperingly; indulgently; shoo!; heave-ho; hallo
on the desk; theoretical; academic; armchair (e.g. plan)
use; application; employment; utilization; utilisation
business use; commercial use; professional use; industrial use
the same; the said; likewise
foundation; base; basis; from the beginning; from the outset; by nature
feature; trait; characteristic; peculiarity; distinction
terminal; computer terminal; information access device (smartphone, tablet, book-reader, etc.); end (e.g. of a roll of film)
to restrict; to limit; to be restricted to; to be limited to; to be best (for); to be the best plan
test; trial; ordeal; tribulation
qualifications; requirements; capabilities
setting a question (for an exam, quiz, etc.); setting a theme (for composition of poetry)
really; truly; indeed; very; extremely; terribly
before; prior to; ago; the past; before; previously
camouflage; disguise; pretense; feigning; masquerade
left and right; right and left; (asserting) control; influence; one's attendants; people accompanying one
small-sized; small-scale; miniature; small; little; tiny
automatic operation (machine); automatic driving (vehicle)
one long cylindrical thing; one film, TV show, etc.; one version; one book; a certain book; ippon; one point