training; drill; practice; discipline
unprecedented; never happened before; first time in history
curiosity-seeking; bizarre (crime, etc.); grotesque; abnormal
edge (of a knife or sword); prong (of an electrical plug)
difficult to ...; hard to ...
dying; death; dead; useless; damned
proficient; skillful; enjoying; satisfaction; satiation
fanatic; fanatic believer; zealot
resentment; grudge; malice; matter for regret; regret
to insert; to put in (such that there is a snug fit); to have sex; to fuck; to pigeonhole (into a particular category); to place a ring-shaped object around something (esp. one that restricts freedom, such as handcuffs)
first (of all); firstly; probably; most likely; more or less (satisfactory); on the whole
device; contrivance; trick; trap; (small) scale; half finished; commencement
to attract; to draw near; to charm; to attract; to have a convulsion
route; course; path; one's future course (e.g. after graduating high school)
construction; building; putting up; erecting; creation; formulation
outside (e.g. of a building); exterior; outside (of a group, company, etc.); outside world
to set foot into; to enter; to step inside; to cross the threshold
measurement; size; extent; plan; intention; arrangement
corresponding to (in meaning, function, etc.); being equivalent to; appropriate; suitable; to be proportionate to; to be in keeping with
inborn nature; genuine; intrinsic; essential
forward; frontward; ahead; rectangular front
system; lineage; corollary; system (range of strata that correspond to a particular time period); (taxonomical) series
completion; conclusion; perfect (tense, form, aspect)
disabling; invalidation; nullification; vitiation
action; operation; effect; function
extent; scope; sphere; range; span
width; breadth; freedom (e.g. of thought); latitude; gap; difference (e.g. in price)
going straight on; going straight ahead
fingers; fingertips; underling; stooge; tool
to remain; to abide; to stay (in the one place); to be limited to; to be confined to; to only account for
to fall down; to drop; to be omitted; to be missing; to decrease; to sink; to fail (e.g. exam or class)
corrosion; etching; action of acid; saprophagy
to slam into; to crash into; to run into; to face (trouble, difficulties, etc.); to confront
sizzling (of cooking meat, fish, etc.); frizzling
to melt; to thaw; to fuse; to dissolve
lower layer; layer beneath; lower strata (classes)
dissolution; dissolving; solution (e.g. chemical); melting; liquefying; fusion