explosive; sudden and dramatic (of an increase in sales, popularity, etc.); explosive; rapid
most suitable; optimum; optimal; best
considerably; not a little; in no small numbers
knowledge (of a skill, art, etc.); proficiency; essentials; know-how; preparedness; readiness
field; sphere; realm; division; branch
axis; shaft; center; centre; stalk; stem
solution (of an equation, inequality, etc.); root (e.g. of a polynomial); solution (to a given problem); answer; explanation; interpretation
possible; potential; practicable; feasible
to bring up a subject; to touch on a matter
dangerous; critical; grave; uncertain; unreliable; dodgy
plan; plot; idea; conception; vision; scheme
where ... is concerned; when it becomes; if it becomes
appointment; rendezvous; date
to rendezvous; to meet at a prearranged place and time; to arrange to meet
serious look (on one's face); straight face
date (with someone); (social) outing (for two); date night; date (day)
confinement; imprisonment; incarceration
to insert; to interrupt; to slip in a word; to harbor (e.g. doubts); to harbour
to grow long (e.g. hair, nails); to lengthen; to extend; to reach out; to hold out; to straighten; to smooth out
May; fifth month of the lunar calendar
just now; at this moment; at this point of time
the rest; the others; in addition (to that); besides that; and so forth; and the like
800,000; eight hundred thousand
total; totalling; adding up; comprehensive; all-inclusive; all-encompassing
division; splitting; sharing; distribution; dissemination; allocation
to feel keenly; to strike to the core; to touch to the quick; to pierce deep inside (e.g. of cold)
summary; recapitulation; aggregation
article; news story; report; account
failure; collapse; breakdown; (arch.) tear (in clothing, etc.); (arch.) rip; (arch.) split
to accept; to receive (an application); to (be able to) take (food, medicine, etc.); to bear; to be affected by; to take damage from
pride; dignity; self-worth
absurd; unreasonable; rash; reckless; excessive; immoderate
clear; transparent; clearing (a high-jump bar, hurdle, etc.); overcoming; getting through; clearing (the ball; in soccer); clearing (e.g. a checked box)
ill-bred; impolite; rude; impudent; insolent; blunt
black box; flight recorder; black box (system or device with hidden internal workings)
easily; readily; with ease; without trouble
real number; actual number (as opposed to a speculative number); true number
every (usu. with events, e.g. every weekend); each
to keep (e.g. the lead); to maintain (a standard, situation, etc.); to put aside (for someone); to save (e.g. a seat); to keep (the ball; in soccer, rugby, etc.); to retain possession
rate; ratio; comparatively; contrary to expectations