無

to end without incident; to not turn into something serious

to not make good use of (e.g. advice); to disregard; to treat as useless; to treat with disdain

Noun or verb acting prenominally

plain; unaffected; natural; unpretentious; frank; candid

to no one in particular

trivial; not amounting to much; not a big deal

Pre-noun adjectival (rentaishi)

reasonable; natural

cloudless (sky); without a cloud (in the sky)

coward; sissy; weakling; loser; milquetoast; good-for-nothing

unhesitatingly

having no choice; at a loss for what to do; at one's wits' end; helpless; powerless

ready (to do); willing

somehow; without knowing (it); unconsciously; unthinkingly

curt; blunt; cold; short

helplessly; reluctantly

standing comparison with; comparing favorably with; by no means inferior to; equal to

fluent; smooth; flowing

don't worry about it; there is nothing to fear; there is no need for anxiety; everything is under control

Idiomatic expression

shrewd; astute; cunning; alert

being concentrated on one thing; devoting oneself completely to something

stubble; unshaven face; beard one has because one is too lazy to shave; 5-o'clock shadow

(treating) equally; without discrimination; impartially; alike; in the same way

Colloquial

unreasonable request; asking for something unreasonable

equally; thoroughly; all over; uniformly; without exception; all around

fully; thoroughly