occurrence; incidence; generation (of power, heat, etc.); production; ontogeny; development
medicine; drug; chemical (agent); chemicals
gas (as a fuel); gas (state of matter); poison gas; dense fog; thick fog; gas stove; gas cooker
throat; singing voice; gutter (inner margins of a book)
remainder; remnant; (not) very; (not) much; too much; excessively; extreme
to speak; to say; to vocalize
to know; to be aware (of); to sense; to feel; to understand; to comprehend; to remember
consideration; thoughtfulness; sympathy; compassion; feeling; kindness
long (time); longstanding; for a long time
association; socializing; socialising; fellowship
trust (in); confidence; faith; reliance
bond (between people); (emotional) ties; bonds; tether; fetters
easy; likely to ...; have a tendency to ...; easy to ...
attack on both sides; pincer movement; double envelopment
diversion; distraction; feint
before; prior to; ago; the past; before; previously
base (military, expedition, etc.); enthusiast; maniac; fanatic
to attack; to assault; to challenge; to take on; to be bold; to be audacious
chance; opportunity; occasion
gaining total control (of people or counties); suppression; oppression; control; mastery; ascendancy
war; battle; match; game; competition
subject; theme; homework; assignment; problem (that needs solving); task
measure; step; countermeasure; counterplan; countermove; strategy
to forget; to leave carelessly; to be forgetful of; to forget about; to forget (an article)
to shift one's attention to; to shift one's focus on
obstruction; impediment; hindrance; inhibition; blocking; check
slight; minor; trifling; considerable; proper; decent
to continue; to keep up; to keep on; to continue ...; to keep on ...
suddenly; abruptly; unexpectedly
use; application; employment; utilization; utilisation
room; chamber; apartment; flat; stable
door; gate; opening; title page
at that time; at that moment; then; on that occasion
oh!; ah!; oh dear!; good grief!; dear me!; thank God!
to search about for; to hunt around for; to look high and low for; to look everywhere for
to be complete; to be all present; to be equal; to be uniform; to gather; to assemble
opposite side; other side; over there; ahead; destination; there (somewhere distant, esp. abroad)
to stand (up); to rise; to stand (in a position; of a person, tree, building, etc.); to be situated (in, on); to be (in difficulties, the lead, etc.); to put oneself (in a position or situation); to leave (to do something)
thin (of an object); pale; light; watery; thin; weak (taste, etc.); little (affection, etc.)
to push out; to project; to stick out; to hand over (e.g. to the police)
middle-age; middle age; midlife; one's middle years
large, broad-shouldered physique (esp. that of a middle-aged man); big build