acquired (e.g. characteristic); learned (e.g. behaviour); a posteriori
element; component; factor; element (e.g. in array); member (e.g. data structure)
grounding (in a skill or subject); knowledge; training; achievements; attainments; accomplishments
frame; framework; border; box; limit; restriction; category
unheard-of; unprecedented; daring; wild; uninhibited
to hide; to keep to oneself
to learn; to study; to take lessons in
sometimes; at intervals; occasionally; on occasion; from time to time
close; intimate; on good terms
to perform in tune with each other; to get along well; to be in perfect harmony; to make a perfect pair (team, etc.)
to consider carefully; to deliberate thoroughly; to think over
basis; grounds; base (of operations); base (of a group of stones)
mankind; the human creature; fellow creatures
in plain words; in plain terms; put simply
by the way; incidentally; sometimes; occasionally; precisely (at that time); exactly
personality-wise; by nature; characteristic
discrepancy; discord; disagreement; mismatch; dissonance
output (electrical, signal, etc.)
insufficiency; deficiency; shortage; dissatisfaction; discontent; complaint
both; both sides; both parties
to plan; to attempt; to plot; to conspire; to aim for; to strive for
in preparation (for); in case (of); in the lead-up (to)
(sound of) footsteps; sense or sign that something is approaching
to change; to switch; to change over (to); to renew
to listen carefully; to strain one's ears
stairs; stairway; staircase
to run (up hill, stairs, etc.)
infantry; infantryman; foot soldier
direct transmission (of mystery, skill, secret, etc.); initiation
keep on (doing); (doing) the whole time; (doing) all the time; (doing) all the way; (doing) non-stop
technique; art; skill; move
to awaken; to arouse from sleep; to bring to one's senses; to disabuse (someone of); to sober up
faint; fainting; losing consciousness
to drag down; to pull down; to force out (of power, office, role, etc.)
invisibly; secretly; privately
to urge; to encourage; to press; to stimulate (e.g. growth); to hasten (e.g. development); to quicken
now (while the time is ripe); while one still can
to part left and right; to open out
to run into; to collide with; to come to the end of (a street); to run into (difficulties, problems, etc.); to run up against
to lurk; to be hidden; to be concealed; to lie dormant; to be latent
to recognize (by sound); to identify; to differentiate (voices, sounds, etc.); to (listen and) understand; to listen to reason; to be reasonable
interest; eagerness; enthusiasm
downheartedly; dejectedly; dispiritedly; despondently
to have heard somewhere; to sound familiar
no problem; all right; not an issue; unobjectionable