expression:

• many irons in the fire; engaged in two trades at the same time; wearing two hats - idiom

noun:

• having free time to spare in the midst of busyness; leisure in the intervals of one's work - four character idiom

expression / godan ~く verb:

• to be possible (in terms of time, money, etc.); to be able (to do); to fit (schedule, budget)

noun:

• anonymous scholarship system for orphans whose parents have been killed in traffic accidents (from Daddy-Long-Legs, a 1912 novel by Jean Webster) ➜ 大蚊
• harvestman; daddy longlegs (arachnid of order Opiliones)

noun:

• expanded system of guilt by association in Japanese election law, which stipulates that an elected official may lose his position if someone in his campaign commits a crime ➜ 連座制

noun:

• road network; highway network; highway network system

adverb / ~の noun:

• more or less; though not quite satisfactorily; after a fashion; pretty much; roughly; so far as it goes

adverb:

• tentatively; for the time being
• just in case
• once

suffix:

• ending; quitting; closing - after a noun ➜ 店じまい
• ending before one had time to do something one wanted or intended to - after the 〜ず negative form of a verb; indicates disappointment

noun:

• doing something for the first time (ever, in a season, etc.) - polite language ➜ 初【はつ】
• new item; first crop of the season

adverb:

• on purpose

expression:

• on the contrary

noun:

• add-on

noun:

• on-off

noun:

• on-site

noun:

• on-side

noun:

• on-mike

noun:

• knock-on

noun / ~する noun:

• sailing on

noun / ~する noun:

• stay on

expression:

• Who on earth?

particle:

• depends on

adverbial noun:

• on duty

adverb / ~の noun:

• on board

expression:

• based on ➜ にもとづいて

~の noun:

• on ice