subterranean rumbling; earth tremor
quick pace; quick steps; quick march; trot (horse gait)
to run (up hill, stairs, etc.)
visitor (to a factory, school, lab., etc.)
to run around trying to escape; to run from place to place
aah!; ooh!; oh no!; oh boy!
to grow restive; to begin to act violently
sure; no mistaking it; for certain; without doubt
very; greatly; much; just about to; almost; very nearly
able; capable; competent; able person; person of ability
searching for the culprit; trying to find out who did something
to trick; to cheat; to deceive; to seduce
first; foremost; most important; best; greatest; above all
barrier; checkpoint; gateway; hurdle; obstacle; trial
repulse; repelling (e.g. the enemy); driving back
to keep company; to look after; to entertain; to play (a game) with
to come out; to fall out; to fade; to discolour; to wear a hole (e.g. clothes); to leave (e.g. a meeting); to be clear
overhead; above one's head; high in the sky
to lose sight of (one's companions); to stray from; to miss (one's chance to ...)
maximum preference; maximum priority; priority handling
to take (someone) out (for a walk, to lunch, etc.); to entice out; to lure away
these guys; these fellows
to lock up; to shut up; to imprison
it cannot be that...; it is highly unlikely that...; it is impossible that...
fixed; settled; constant; definite; uniform; regularized
to become rusted together; to become rusted shut; to rust; to become (completely) rusty; to become rusty (of a skill or ability); to become less effective
sharp; harsh; stinging; thorny; snappy
to hang down (from); to dangle; to be within one's reach; to dangle (before one's eyes); to be completely reliant on; to be entirely dependent on
nature; the natural world; realm of nature
nature; spontaneity; natural airhead
one may well say so, but ...; even more than
destructive power; destructive energy; destructive force
unfathomable; inestimable; immeasurable
border; boundary; turning point; watershed; area; region
decrease; reduction; decline
existence; being; survival; to exist; to live; to survive
to use up; to exhaust; to devote oneself (to); to do one's utmost (for); to do to exhaustion; to do completely
scale; scope; plan; structure
hey!; wait a minute!; whoa!; boohoo; waaaa
having one's hands full; not having any room to do more; at the limit
to check; to hold back; to keep at bay; to stop; to prevent; to stem