(an) unknown; unknown number; variable; unknown quantity; not yet known
extreme; terrible; absurd; unreasonable; fool; idiot
to have (someone) by the short hairs; to have something on (someone)
treason; treachery; mutiny; rebellion; insurrection
technical skill; ability; capacity
next term; next period; next version; next release
directly under; falling perpendicularly
curve; turn; curveball; curve ball; (wine) cellar
going around; orbiting; circling; circumference; girth; surroundings
micro-; micro; minibus; microfilm
ring; band; ring; circum-
hypothesis; supposition; assumption; tentative theory
ball; sphere; bead (of sweat, dew, etc.); drop; ball (in sports); pile (of noodles, etc.); bullet
natural energy (usu. renewable energy)
generation (e.g. power); sending a telegram; telegraphing
careful observation; close attention
ring; circle; hoop; wheel; circle (e.g. of friends)
surrounding environment; ambient surrounding; one's surroundings
to be fascinated (by); to be captivated by; to be enchanted by; to gaze admiringly at; to watch in fascination
abandonment; renunciation; resignation; abdication (responsibility, right)
operation (of machine); operating; running; working
birth; birthplace; born in (country, month, imperial era, zodiac year, etc.)
to hold out (e.g. against an attack); to hang on; to withstand; to endure; to last
demon; devil; evil spirit; monster; goblin; apparition
big frame; large figure; huge body
claw crane; arcade game in which a crane is used to pick up stuffed toys, etc.
arm; automated retroactive minimal moderation; ARMM
four (long cylindrical things)
to insert; to put between; to tuck (e.g. fabric into a gap)
to put on the brakes; to put a stop to
four corners; four ordinal directions
to act timid (about doing); to show diffidence; to feel ashamed; to feel guilty