boundary; (nuclear) criticality; critical (mass, pressure, temperature, state, point, etc.)
gear; speed (e.g. 4-speed transmission)
the world; society; sphere; circle; world-renowned; world-famous
to; for; from the standpoint of; as far as ... is concerned
exceedingly; extremely; decisively
nice; likeable; desirable
to whisper; to murmur; to rumor; to rumour
to send (a thing); to dispatch; to take or escort (a person somewhere); to see off (a person); to bid farewell (to the departed); to bury; to spend (time)
essence; true nature; substance; reality
(some) more; even more; longer; further
deep; profound; dense; thick; close (relationship); intense; strong
dark; gloomy; depressed; dispirited; dark (in colour); dull; ill-boding
attachment; adhesion; tenacity; fixation; obsession
after all; because; but; even; too; as well
rotation (usu. around something); revolution; turning
meandering; snaking; zigzagging
orbit; trajectory; railroad track; (right) track; proper course
to be blown off; to blow off; to blow away; to vanish; to disappear
being very forgetful; having a bad memory
to see someone off (at a station, an airport, etc.); to escort (e.g. home); to follow something with one's eyes until it is out of sight; to let pass; to pass up (an opportunity etc.); to shelve (a plan, deliberation on a bill, etc.); to postpone
reckless; thoughtless; rash; ill-advised; impulsive; mad (e.g. scheme)
to cross over; to cross; to pass through; to exceed; to surpass; to be more (than)
indescribable; having no way to express
to see through; to see into (someone's heart, mind, etc.); to perceive; to find out; to detect
how; in what way; how (much); to what extent; however (much); no matter how
Shangri La (from Lost Horizon, 1933 novel by James Hilton); Shangri-La
frontier (esp. the American frontier); frontier (of a field); forefront (of science, technology)
basis; based on; conformance; conformity; authority (of); standard
majority; more than half; most (of); mostly; largely; mainly
dropping out; falling behind; omission; being left out; falling off; coming off
to bring; to take; to bring about
sense; sensation; feeling; intuition
strength; intensity; strong (e.g. glasses); powerful (e.g. lens); intense (e.g. fear)
even; (if) only; just; besides; on top of that
to bear; to stand; to support; to withstand; to be fit for; to be equal to
computer; cyberbrain; digital brain