key; lock; key (to a problem); clue
to take out; to produce; to pick out; to fetch; to retrieve
prevention of crime; security (device, camera, etc.)
business; task; use; purpose; for the use of ...; used for ...
device; contrivance; trick; trap; (small) scale; half finished; commencement
cancellation; rescinding; release; calling off; lifting (sanctions); delisting
one's house; one's home; one's family
load; baggage; cargo; burden; responsibility
to untie; to unfasten; to unsew; to unstitch; to solve; to work out; to dispel (misunderstanding, etc.)
first floor; ground floor; one floor; one storey; one rank
to go past; to pass; to pass by
underground; below the ground; world of the dead; the grave; underground (activities, movement, etc.); secret
part; portion; amount; worth (as in "two days' worth"); one's means; one's place; one's duty
space (room, area, outer space)
being in charge (of an area of responsibility); being responsible (for a work role, etc.)
such; this sort of; like this
mostly; nearly; practically; well-nigh; almost invariably; all but
the expectation is that ...; the reason is that ...; the fact is that ...; the explanation is that ...; it is that ...
ignorant of the ways of the world
son (of others); boy; young master; green young man from a well-to-do family; young man innocent of the ways of the world
hey; you; hey; hey; hold on; yo
to be used to doing; to be experienced in
now (when it is already much too late); at this stage; afresh; anew; again
(just) making sure; just to be sure; just in case; for caution's sake
(suffering) damage; injury; harm
to exert (influence); to exercise; to cause (e.g. damage); to do (e.g. harm); to bring about (e.g. benefits); to extend
second basement level; subbasement
(unlikely event of) emergency; the worst(-case scenario); (lit.) 10000 to 1; (if) by some chance; by some possibility; in the unlikely event that
to accompany; to go hand in hand with; to be consequent upon; to be accompanied by; to bring with; to take with
hazardous materials; dangerous goods; explosives; combustibles
reverse; opposite; converse (of a hypothesis, etc.); inverse (function)
alone; by oneself; on one's own
to pass through; to pass by; to pass (of time); to elapse; to have expired; to have ended; to exceed
to have a limit; to go too far (e.g. joke)
that being the case; because of ...; the reason is ...; given that ...
to be too much for one; to find unmanageable; to be beyond one's control; to not know what to do with
at last; finally; barely; narrowly; just
to take off (clothes, shoes, etc.); to undress