difficult to understand; difficult to grasp; confusing; puzzling
sensitive; susceptible; impressionable
research area; field of research
preservation; conservation; storage; save (to storage)
bowl; vessel; container; ability; capacity; calibre
avatar (incarnation of an immortal being in Hindu); avatar (icon or representation of a user in a shared virtual reality)
acting as agent; acting on (someone's) behalf; executing business for
input; (data) entry; typing
need not; (not) have to; need not have; need not exist
science fiction; sci-fi; SF
thesis; essay; treatise; paper; article
program (of events, music, etc.); programme; program (booklet); brochure; (computer) program; programming
eternal recurrence; eternal return
storage medium; recording medium
century; era; of the century (e.g. fight of the century)
dormancy; quiescence; diapause
nanomachine; molecular machine; nanobot; nanite; nanorobot
robot; (mere) puppet; pawn; figurehead
questioner; interrogator; interpellator
laughing at an inappropriate time; not being able to hold back one's laughter; scornful laughter; snicker; snigger
uncommon; rare; extraordinary; matchless
the proof of the pudding is in the eating; (lit.) evidence is better than debate
technical; technological; practical
magic (illusion); conjuring; magic trick; conjuring trick; sleight of hand
interview; audience; meeting; (viewing) party
report (of news); reporting; news; information; (media) coverage
chattering (teeth); (frozen, worried) stiff; rigid (personality, thinking, etc.); inflexible; voracious (e.g. work, study); without slack or pause
the sciences; STEM (science, technology, engineering and mathematics)
extension of a straight line; (conclusion) following as an extension of (an argument)
suspicion will raise bogies; once you suspect something, everything else will look suspicious; jumping at shadows
energy; energy; strength; energy source; energy resource; food energy
to bail out (water); to dip out; to ladle out; to start drawing (water)