(not) even once; (not) ever
achievement; attainment; accomplishment; realization
suggestion; hint; implication
development; exploitation
staff; stuff; stuffing; filling
article; news story; report; account
to separate; to part; to divide; to keep apart
gust (of wind); blast; influence; impact; instigation; agitation
in truth; in actuality; at heart; the truth; the real story
now advancing and now retreating; ebb and flow; seesawing; taking alternately favorable and unfavorable turns
offense and defense; offence and defence
to unfold; to unroll; to open
the number of people; many people; a large number of people; (counted as an) adult
dominion; territory; possession
rivalry (between two equally strong sides); struggle for supremacy; competing (with); vying (with); contending (with); being an equal match (for)
(one) could even say that
to attract someone's attention; to arouse someone's interest; to sound someone out; to try to find out someone's true feelings; to (discreetly) probe someone's thoughts
gradually; steadily; slowly; little by little; step by step; by degrees
to walk (a bicycle, scooter, etc.); to push; to wheel
young; youthful; immature; green; low (number); small
to; for; from the standpoint of; as far as ... is concerned
assistance; backing; reinforcements
to make use of aizuchi; to back-channel; to throw in interjections to show that one is paying attention
to have a talk; to tell a story
pardon; forgiveness; tolerance; leniency; mercy; going easy (on someone)
careful; thorough; meticulous; scrupulous
snare; trap (for catching wild game, etc.); trap (i.e. ruse, subterfuge, etc.)
nasty; mean; heartless; inconsiderate; selfish
title (e.g. Doctor, Professor, Lord); job title; position (in a company); degree; status; rank
faithful; devoted; loyal; honest; true
having to be; must be; should be; ought to be
to turn completely into; to become completely
limit; limits; degree; extent; the end; the last; as long as ...
to use up; to exhaust; to devote oneself (to); to do one's utmost (for); to do to exhaustion; to do completely
zealous; enthusiastic; ardent; fervent; keen; eager
naturally; of course; understandably
to find a clear solution; to come to a clean decision; to give a clear explanation; to divide exactly (without remainder); to divide evenly
I fear that it's likely that; with all due respect
advanced student; advanced learner; advanced practitioner; experienced person
nasty; mean; heartless; inconsiderate; selfish
position; location; base; point; site
more and more; all the more; at last; finally; (at the) last moment; worst possible time