engineer; technical expert; technician; craftsperson
cryptography; encryption technology
well-known only to those in the know; well-known but to the few; well-known to a connoisseur
reservation; putting on hold; deferment; withholding
it's better to; it's best to; it's safest to; you can't go wrong with; it doesn't hurt (to be young, beautiful, have money, etc.)
advantageous; favourable; better; profitable; lucrative; gainful
(all) through (e.g. the night); throughout (e.g. the year); within (e.g. the week); in the course of (e.g. today); all over; throughout (e.g. the world)
doing (with resolve); carrying out (e.g. a plan)
(suffering) damage; injury; harm
imitation; fake; phony; pseudo-
crafty; vicious; unscrupulous; sharp
regrettable; unfortunate; disappointing; vexing
to drain; to pour; to float (e.g. logs down a river); to set adrift; to wash away; to carry away; to broadcast
technical; technological; practical
halfway; midway; partway; mid-course
idea; plan; fancy; impulse; thought; whim
still (continuing); as ever; further
wiles; sinister design; trick; conspiracy; intrigue
to cock one's head in puzzlement; to tilt one's head in contemplation; to wrack one's brain; to think hard
using for multiple purposes; reuse
automatic; intransitive verb
plain text; unciphered text
permission; approval; authorization; license
to guide; to lead; to show the way; to derive; to deduce
I'm told; is what I heard; is how it is, apparently; is what they said
gait; walk; stride; trace (e.g. of route taken by hunted criminal); track; trail
subtle; delicate; difficult; complex; doubtful; questionable
to return; to come back; to turn over; to become extremely; to become completely
for (e.g. "she dances well for an eight-year old"); considering it's (something or someone)
irresponsible; perfunctory; lukewarm; half-baked; (already) enough; considerably
deterioration; getting worse; worsening; aggravation; degeneration; corruption
direction; way; person; lady; method of; manner of; care of ...
poor (living); barely continuing; just scraping along; very narrow
superiors; big shots; higher-ups; VIPs; dignitaries
often (happens); tend to; be apt to; be likely to
acting arbitrarily on one's own authority; acting arbitrarily without consultation
false charge; false accusation; misrepresentation
to put clothes on (someone); to dress; to cover; to coat; to pin (e.g. a crime on someone); to lay (blame)
cold reception; inhospitality
(social) position; status; standing; position (in a company, organization, etc.); post; rank