to be ...-ing; to have been ...-ing
(in a) long time; long time (ago); while (ago); long ago; long while (ago); (in a) long while
restlessly; aimlessly; to loiter; to drift; to be restless; to fuss
preservation; conservation; maintenance; integrity
to finger; to touch; to make changes to; to tinker with; to dabble in; to do as a hobby
to carry out (of somewhere); to transport; to take out
true character; true form; true colors; consciousness; one's senses
not funny; not a laughing matter; not a joke
to exert (influence); to exercise; to cause (e.g. damage); to do (e.g. harm); to bring about (e.g. benefits); to extend
finally; after; following; at the end (of)
user guide; how to operate; operation procedures
halfway; half measures; unfinished; incomplete; by halves; half-baked
precision instrument or machine
reactor; reacting furnace
surplus; remainder; residue; margin; balance
emission; release; radiation; release (of goods, a player from a team, etc.)
makeshift; stopgap; temporary expedient; temporary solution; band-aid
outside (e.g. of a building); exterior; outside (of a group, company, etc.); outside world
everyday; daily; ordinary; usual; routine; regular
nuclear fission; karyokinesis (division of a cell nucleus during mitosis or meiosis)
geothermal electric power generation
generation of electricity; power generation; sending a telegram (now usu. for congratulations, condolences, etc.); telegraphing
faint memory; vague memory; dim memory; vague recollection
to feel nervous; to feel afraid; to be startled; to be surprised; (arch.) to be shy; (arch.) to be bashful
evaporation; disappearance (of a person); vanishing without a trace
annihilation (of particle and anti-particle)
hearth; fireplace; furnace; kiln; young girl; childlike young woman
orbit; trajectory; (railroad) track; (right) track; proper course
federation of states; confederation of nations
supply; provision; service; supply
reflection in a mirror; reflected image; inverse (of a point); mirror image
stocking up (in case of emergency); stockpile; reserves; storing; laying in (supplies)
strategic resources; strategic materials
to change (into); to turn (into); to transform (into); to influence
mass; quality and quantity
change; conversion; transformation; transformation
creation; generation; formation; derivation
ultimate weapon; one's final trump card
bomb; alcohol with liquor added (esp. wine-based shōchū highball, also beer with whiskey)