comprehension; consent; understanding; OK; roger
(camera) shutter; shutter (for a door, window, etc.)
right above; just above; directly above; directly overhead
suitable; appropriate; becoming; fitting
research; study; investigation
large building; building with a long roof; counter for buildings, apartments, etc.
outward appearance; ostensible; public; official
true state; actual condition; reality
monitoring; watching; observation; surveillance; guarding; supervision
base (of operations); site; location; center; foothold; stronghold
points of improvement; improved areas; points needing improvement; problem areas
collecting; accumulating; collection (of art, stamps, insects, etc.); garbage collection; waste collection
staff; staff member; stuffing (in Western cuisine); filling; stuff; materials
to pass (the night); to spend; to reveal; to divulge; to prove; to verify
to be taken aback; to be astonished; to be dumbfounded
with curious eyes; curiously
strengthening; intensifying; reinforcement; reinforcement
material; material properties; quality of material; quality of wood; quality of lumber
clean; hygienic; sanitary; pure; virtuous; immaculate
to bark; to howl; to howl (of the wind); to roar (of the sea); to yell; to shout
(street) corner; turn (in the road); bend; turning point; watershed
android; Android (mobile operating system)
to threaten; to menace; to frighten (into doing)
manager; administrator; landlord; root (user)
startup; booting up; activation; starting (e.g. engine, computer); launch
intercept; interception; counter-attack
direction; trend; directionality; directivity; goal; aim
breaking through; breakthrough; surmounting (a difficulty); overcoming; exceeding; passing
twofold and threefold; doubled and redoubled
basics; fundamentals; basis; basically; fundamentally
middle; halfway; half (of); one half; half (e.g. done, jokingly); partly
sensation; feeling; tendency; propensity
to move (house); to change residence
difficult to imagine; quite unlikely to; very doubtful; would not expect
sense of distance (physical or emotional); feeling of distance
same time; simultaneous; concurrent; synchronous
running errands (for someone else); errand boy; gofer; dogsbody
after all; in the end; when all's said and done; for the time being; at present