adverb:

• late at night; at a late hour

adverb:

• ad infinitum; endlessly

adverb:

• carelessly (throwing, tossing, etc.); nonchalantly - onomatopoeia

adverb:

• suddenly and in a loud voice (e.g. sobbing) - onomatopoeia

~と adverb / adverb / ~する noun:

• gently; quietly; calmly - often as ~した adj. phrase to mean 'gentle', etc. - onomatopoeia

expression:

• by the way; incidentally

adverb:

• sometimes; occasionally

adverb / ~と adverb:

• (stabbing) through; (plunging) into - onomatopoeia

adverb:

• comparatively; quite; rather - colloquialism ➜ 割り方

adverb / ~と adverb / ~する noun:

• downheartedly; dejectedly; dispiritedly; despondently - onomatopoeia ➜ しょんぼり

adverb:

• cheerfully; ceremoniously

~と adverb / adverb:

• lapping (e.g. of waves against the shore) - onomatopoeia
• steadily (advancing); gradually (approaching) - onomatopoeia

~の noun / adjectival noun:

• sufficient (of the amount of liquid needed to cover a submerged object); just enough - often used adverbially as ひたひたに - onomatopoeia

~と adverb / adverb:

• speedily; promptly; quickly; smoothly - onomatopoeia - archaism
• closely; exactly - onomatopoeia - archaism

expression / adverb:

• after all is said and done; no matter what people say; in the end; definitely; undeniably

adverb:

• certainly; surely

~の noun / adverb:

• his way; peculiar to him

expression / adverb:

• no information; no clue; completely unknown

adverb:

• extremely

adverb:

• imposingly; heavily; conspicuously; in a dignified manner

adverb:

• slumping; flopping down - onomatopoeia
• heavily rotating

~たる adjective / ~と adverb:

• cutting a fine (dashing, gallant, noble) figure - archaism - four character idiom

~たる adjective / ~と adverb:

• memories of the past events (being, becoming) far and distant - archaism - four character idiom ➜ 往事茫々

~たる adjective / ~と adverb:

• memories of the past events (being, becoming) far and distant - archaism - four character idiom ➜ 往事渺茫

noun / adjectival noun / adverb:

• one's heart is filled with even deeper emotion; feeling the emotion all the more deeply - four character idiom

~たる adjective / ~と adverb:

• having piercing eyes; eagle-eyed; having a penetrating insight (into) - four character idiom

~たる adjective / ~と adverb:

• uninteresting; tending to spoil the fun (pleasure) (of); throwing a wet blanket (on) - four character idiom

~たる adjective / ~と adverb:

• lonely and crestfallen; a lonely and heavy-hearted figure - four character idiom