opaque; obscure; opacity; obscurity; unclear; unpredictable
forces of opposition; opposing forces; counterforce
admission; (self-)acknowledgment; (self-)acknowledgement; self-identification
important task; important duty; important mission; heavy responsibility
offence; offense; hindrance
legislation; development of laws
to continue to increase; to continue to mount
difficult problem; challenge
capable of anything; liable to do
to stare at; to gaze at; to look hard at; to watch intently; to fix one's eyes on
lewdness; lewd person; pervert; lecher
konnyaku (Amorphophallus konjac); konjac; devil's tongue; konnyaku jelly; konjac jelly; devil's tongue jelly
sentimental; mushy; sugary; saccharine; sickly-sweet
sampling a drink; tasting
leaving everything up to someone else
major contender; strong (leading) candidate; front runner
most likely contender; prime candidate; top prospect; leading candidate
urgent; pressing; exigent
just right (time, size, length, etc.)
to perfect; to detail; to polish; (arch.) to make (inside something)
material (data) for one's research; research material
external (hard drive, disk drive, etc.)
jewel; precious stone; gem
experimental stage; experimental phase
best pupil; leading disciple
(one's) master; Lord; the main thing; the majority
and then; and so; and; so then
permanence; forever unchanging
culmination; acme; height; peak; ultimate; perfection
temper pattern of a sword blade
nothing but; none other than
several times; a few times
corrosion; etching; action of acid; rot; rust; erosion
gravitational wave; gravity wave
skin; outer skin; integument; husk; hull; shell
to have a bitter experience
selfish; egoist; (arch.) self-indulgent; (arch.) wilful; (arch.) willful
curfew; lockdown; grounding
under (guidance, supervision, rules, the law, etc.); under (a flag, the sun, etc.); beneath; with (e.g. one blow); on (the promise, condition, assumption, etc. that ...); (somebody's) side
out of control; out of hand; unmanageable