noun:

• there being no use in arguing (about it) - four character idiom

~の noun:

• amphibious

noun:

• autopurificatory activity (in the natural world) - four character idiom

noun / ~する noun:

• arching

noun:

• induction

noun:

• recycling

noun:

• new jobs

noun:

• reemployment

noun:

• conforming SGML application - IT term

noun / ~する noun:

• employment of workers through (personal) connections; getting a job through one's personal connection - four character idiom

noun / ~する noun:

• for personal or private use; opinionated

noun:

• disuse

noun:

• classical form of i-adjective inflection (easily recognized by its attributive form ending in "ki" and predicative form ending in "shi")

expression:

• Don't worry about it; There is nothing to fear; There is no need for anxiety; Everything is under control

noun:

• conjugation (inflection, declension) of nidan verbs

noun:

• variable cost ➜ 変動費用

noun:

• quantitative investment management

noun / ~する noun:

• appointment; promotion

noun:

• bactericidal action; germicidal action

adjectival noun / noun / ~の noun:

• disused; unused ➜ 不要
• useless; wasteful; of no use

noun:

• diagenesis - Geology term

noun:

• mid-career recruitment

noun:

• classical form of i-adjective inflection formed by contraction of the "ku" adverbial form with the classical verb "ari" ("aru")

noun:

• repulsion

noun:

• production run - IT term