trouble; bother; trouble; difficulty; care; attention
in one go; in one gulp; in one breath; suddenly; all of a sudden; all at once
to reach the point where ...; to come to ...; to come to be that ...; to start to ...; to begin to ...
abrupt; sudden; unexpected
perhaps; possibly; maybe; if; in case; in the event that
something; some; somehow; for some reason; (so) what (are you trying to say)?; what (do you mean)?
achievement; achievement test
suddenly; in a flash; quickly; conspicuously; prominently; showily
confirmation; verification; validation; review; check; affirmation
new; novel; fresh; recent; latest; up-to-date
elementary level; beginner level
summary; recapitulation; aggregation
function; facility; faculty; feature
mode (e.g. of a machine); setting; state (of mind); mode (e.g. work mode, study mode); mode; mode
(some) more; even more; longer; further
fast; quick; early; soon; premature; too soon
optional; voluntary; arbitrary; arbitrary
spot; point; place; position
axis; shaft; center; centre; stalk; stem
centre line; center line; central line
standard; criterion; norm; benchmark; measure; gauge
opposite side; opposition
to make (good) progress; to move right ahead (with the work); to advance
labour; labor; effort; toil; trouble
not exceeding ...; not more than ...; below (a standard, level, etc.); under; the following; the below-mentioned
still; yet; more; still more; furthermore; in addition
to the end; to the bitter end; to the last; after all; it must be remembered; only
already; previously; before; undeniably; unmistakably
arranged; taken care of; settled; completed; finished
from now; from this moment; henceforth
until now; till now; up to now; up to the present; so far
steadily; unflaggingly; untiringly; knocking; tapping; clicking
to choose; to select; to pick (out)
to decide to; to pretend that; to make a practice of doing; to make it a rule to
somehow; for some reason; without knowing why
distant look; faraway look
to accept; to receive; to agree
association; socializing; socialising; fellowship
absurd; irrational; unreasonable; absurdity
convenient; handy; useful
hooray; yay; whee; yowzer; whoopee; yes