difficult to ...; hard to ...
something like ...; something called ...
original; unique; distinctive; independent; one's own; personal
in short; in brief; to sum up; ultimately; in the end; in the long run
nothing but; none other than
rate; ratio; comparatively; contrary to expectations
in plain words; in plain terms; put simply
just like; (virtually) no different from; (almost) the same as; as good as (e.g. dead, settled)
piece of paper; slip of paper; strip of paper; scrap of paper
of no use whatsoever; good for nothing; useless
solid; strong; sturdy; durable; stout
to accept; to receive (an application); to (be able to) take (food, medicine, etc.); to bear; to be affected by; to take damage from
in so doing; when you do so; in this regard; on this occasion; some time during that period
substantial; real (as opposed to nominal)
essence; true nature; substance; reality
of course; certainly; naturally
law of conservation of mass
to increase; to add to; to augment
to abate; to decrease; to diminish; to shorten
to grow; to cultivate; to wear a beard
naturally; in due course; by itself; of its own accord
war; battle; match; game; competition
above all; especially; particularly; all the more
dozens; scores of; decades
unfit; unsuitable; unmarketable
individual match; single game
trump card; ace up one's sleeve; secret weapon
unfathomable; inestimable; immeasurable
immersing oneself in; being absorbed in; devoting oneself to; giving oneself up entirely to
to fail to be attentive to
one revolution; one rotation
nakedness; nudity; bareness; nakedness; being penniless; concealing nothing
basket (shopping, etc.); hamper; cage
to throw into; to dump in together
first; firstly; first of all; Introduction; Preface
to compare; to make a comparison; to compete; to vie
three; three years of age
explosion; detonation; eruption; eruption (of discontent, etc.); outburst; outpouring
quite; very; 10^48; quindecillion