riddle; puzzle; enigma; enigmatic; mysterious
suffix for familiar person
everyone; everybody; all; everything; all
nature; natural; spontaneous; naturally; spontaneously
to use (a thing, method, etc.); to make use of; to use (a person, animal, puppet, etc.); to employ; to use (time, money, etc.); to spend
breathing; respiration; knack; trick; harmony; balance
intermittence; being intermittent; occurring intermittently
good; excellent; fine; nice; pleasant; agreeable
in short; the point is; the important thing is; in a word; basically
practice; practising; experience
width; breadth; freedom (e.g. of thought); latitude; gap; difference (e.g. in price)
range; stove; cooker; microwave oven
standing firm; holding out
arm; skill; efforts; ability
necessary; needed; essential; necessity; need; requirement
when it comes to ...; where ... is concerned; if it's the case that ...; if it turns out that ...; if it's true that ...
step; stair; grade; rank; counter for breaks in written language (or speech, etc.); dan
counter for chairs or seats
to put one's strength into
at once; right away; promptly; on the spur of the moment
again; once more; also; too; on the other hand; while; and
to be in danger of; to be liable to
always; all the time; never; usual; regular
arousal; excitation; awakening; evocation
to be in time (for); to serve (suit, meet) the purpose; to be good enough; to be enough
alright; all right; right on; looking good; OK; okay
once; one time; one round; one game; one bout; one heat
strengthening; intensifying; reinforcement; enhancement; solidification
exchange; conversion; replacement; switching (to); switchover
to be affected; to be influenced; to be concerned with; to have to do with; to stick to (opinions)
had better ...; had better not ...
somehow; how; in what way; why; what kind of
independent training (e.g. of athletes working without a coach)
absorbed in; immersed in; forgetting oneself; daze; within a dream; while dreaming
to finish; to stop; to close (a business, etc.); to close down; to put away; to put back
chewing; mastication; digestion (e.g. of words); assimilation; comprehension
point; tip; head (of a line); front; first; before; (the way) ahead
absurd; unreasonable; extreme; senseless; disorderly; chaotic
long (distance, length); long (time); protracted; prolonged
for the first time; only after ... is it ...; only when ... do you ...; first time; (one's) first
taking on (a challenge); attempt; try; tackling; challenging (someone to a contest)
that's true; of course; obviously