concrete; definite; specific; material; substantial
everyday life; daily life
obstacle; hindrance; impediment; difficulty
time of emergency; (in an) emergency
if anything; conversely; putting it the other way around; coming at it from the opposite angle
effect; effectiveness; efficacy; effects (e.g. sound effects, visual effects, special effects)
show (of power, ability, etc.); exhibition; demonstration; display; manifestation
depending on the situation; should time and circumstances permit
several years; a few years
part; portion; amount; worth (as in "two days' worth"); one's means; one's place; one's duty
completely; entirely; all; in large amounts; a lot
to come out (e.g. hair); to fall out; to collapse (e.g. building, floor); to be left out; to be omitted
potentiality; likelihood; possibility; availability
by means of; due to; because of; according to
to some extent; to a certain extent
conscious; deliberate; intentional
selection; choice; option
absolute amount; absolute quantity
to be sufficient; to be enough; to be worth doing; to be worthy of; to do (the job); to serve
worm-eaten; moth-eaten; holes eaten in clothing, leaves, etc. by caterpillars, moths, etc.; leaf warbler (any bird of genus Phylloscopus); chiffchaff
to produce; to yield; to cause; to result from; to arise; to be generated
standard; standardized; average; normal; ordinary
perhaps; probably; generous; many; much
a little; a bit; just a minute; for a moment; somewhat; rather; (not) easily
splendid; nice; sufficient; fine (in the sense of "I'm fine"); well enough; OK
to be surprised; to be astonished
once; one time; one round; one game; one bout; one heat
how; in what way; how (much); to what extent; however (much); no matter how
possible; potential; practicable; feasible
abruptly; suddenly; all of a sudden; without warning
thirtieth day of the month; thirty days
front and rear; front and back; before and after; around; about; order; context
extinction; extinguishment; disappearance; annihilation
certain; sure; doubtless; I have no doubt; You can depend on it; It's a safe bet
to meet (by chance); to come across; to meet (e.g. of rivers, highways, etc.); to emerge and engage (an enemy)
remainder; remnant; (not) very; (not) much; too much; excessively
only; merely; but; no more than
counter for occurrences; a time; an instance; inning (baseball); round; episode; chapter
in the meanwhile; during the time
to be lost (e.g. luggage); to be missing; to be used up; to be run out; to disappear (e.g. pain); to be lost (e.g. a dream, confidence)
to be called ...; to be referred to as ...
even if ...; even supposing that ...; also as ...; also for ...; also from the position of ...
overlooking; turning a blind eye