class; order; et cetera; etc.; equal; iso-
replenishment; supplementation; supplement; replacement; refilling
several times (as large, over)
to be unable to; to find difficult (unpleasant, awkward, painful) to do; to serve two or more functions or roles simultaneously; to contain (or combine) two or more features; to work in two or more jobs simultaneously (positions, etc.); to do alongside
shop; store; somebody who sells (something) or works as (something); somebody with a (certain) personality trait; house; roof
to grumble; to gripe; to complain
(way of) life; living; livelihood; life circumstances
sometime; someday; one day; some time or other; the other day; in due course
to do (something) to spite (someone); to rebuke indirectly; to make an insinuation; to make a display of affection (for each other); to show off a relationship
technological development
some people; a few people; several people
engineer; technical expert; technician; craftsperson
information; news; intelligence; information; data contained in characters, signals, code, etc.
development; exploitation
possible; potential; practicable; feasible
incompetence; inefficiency; inability; incompetent person
materials science and engineering
major subject; special study
refreshing; exhilarating; invigorating; bracing
religion; religious affiliation; belief; religious activity
mind; heart; spirit; the meaning of a phrase (riddle, etc.)
fundamental academic skills; expected basic knowledge (of a subject)
hobby; pastime; tastes; preference; liking
I got it; I see; I now know; So that's the reason
demonstration; verification; substantiation; actual proof
study; research; investigation
monopoly; monopolization; exclusivity; hogging; keeping to oneself
doctor's degree; doctorate; PhD
judging; inspection; examination; investigation; review
to be noisy (e.g. from people talking); to be discomposed (e.g. feelings)
to call out to; to hail; to address; to appeal
to surround; to encircle; to enclose
to hang; to suspend; to dangle; to swing; to carry
at the very beginning; first of all; first and foremost; before anything else
gathering spot; haunt; rendezvous; meeting place; hang-out
pistol; handgun; revolver
infiltration; sneaking in; going undercover