main cause; primary factor
exclusion; removal; elimination; clearing away; getting rid of
to perform; to do; to conduct oneself; to carry out
you have only to; all you have to (do); all that's required; as long as; if only
(the) mainstream; main course (of a river); main stream
one's later years; final years (in life)
to have a smattering knowledge of
equation; formula; method for solving a problem; set way of achieving a particular result
derailment; digression; deviation
perfect; complete; flawless
contraction; shrinking; shrinkage; constriction; deflation
to open the lid; to lift a lid; to open the lid (on); to make public; to start (something); to look at the results (consequences, outcome, effect)
to reach; to touch; to be delivered; to arrive; to be attentive; to be scrupulous
end; conclusion; last; final; once ...; the moment ... (, that's it)
perhaps; maybe; perchance; by some chance; by any chance
stage; step; level; rank; order; stairs
interpretation; explanation; reading; construction
in truth; in actuality; at heart; the truth; the real story
all that one has; all that there is; the whole
development; growth; development (of a situation, story, etc.); advancement; playing around (sexually; esp. of a male homosexual); having an active sex life
riddle; puzzle; enigma; enigmatic; mysterious
to pass (the night); to spend; to reveal; to divulge; to prove; to verify
system; organization; organisation; architecture
for a long time; at (great) length; lengthily; (extending) far; (stretching) out; (lying down) at full length
innumerable; countless; numberless
parallel world; parallel universe
level; standard; level (amount or quantity); level (plane); level (instrument); spirit level
interference; intervention; meddling
in; on; at; during; in the condition of
serious; earnest; sober; honest; sincere
research; study; investigation
easy; trifling; harmless; nothing of the sort; not at all
to put on (one's head); to wear; to be covered with (dust, snow, etc.); to pour (water, etc.) on oneself; to bear (e.g. someone's debts, faults, etc.); to take (blame); to overlap (e.g. sound or color)
to revive; to come to oneself; to be restored to life
scrap wood; waste wood; waste; waste material; scrap material