use; utilization; utilisation; application
reaction; response; reaction
spare time; free time; time (e.g. time it takes to do something); time off; day off; quitting (one's job)
regret; repentance; remorse
first of all; in the first place; to begin with; for starters
what would (you) do?; what to do about it
disorder; chaos; confusion; mayhem
by all means; at any cost; whether (one is) willing or not; willingly or unwillingly; on no account; by no means
activity (esp. energetic); great efforts; conspicuous service; to flourish; to participate actively; to play an active role
treatment (of a person); dealing with
leaving a decision to someone else (often of a meal to be selected by the chef); omakase
to change; to swap; to change the object of one's interest or focus; to spend or take time; to infect; to permeate something with the smell or colour of something; to move on to the next or different stage of (a plan, etc.)
to empty; to vacate; to evacuate
due form; official; formality
royal capital; imperial capital
appeal; call for something; request; axiom
one-way (trip); one-way ticket
telephone call; speaking over the telephone; (Internet) voice call; counter for telephone calls of a set duration
verbal message; word (from someone)
main force; chief object; mainline
national border; provincial border
(unlikely event of) emergency; the worst(-case scenario); (lit.) 10000 to 1; (if) by some chance; by some possibility; in the unlikely event that
preparation; provision; guarding
addition; supplement; appending; appendix
concrete; definite; specific; material; substantial
to emit; to spout; to spurt; to boil over
just because; even if; even though
not necessarily so; is not always true
given that ... it is only natural that ...; ... being the case, it is unavoidable that ...; (precisely) because ...; contrary to expectations ...
well; properly; best regards; please remember me; just like ...; as though one were ...
as ... as one can; as ... as possible; as much as possible
powerful; strong; forceful; reassuring; encouraging
grateful; thankful; welcome; appreciated; evoking gratitude
goodbye; so long; saying goodbye to (e.g. life as a bachelor); putting an end to; farewell (performance, party, etc.); final
opposition; rivalry; competition; antagonism
nail; spike; tack; rivet; brad; (pachinko) pin
to pierce; to stab; to sting; to bite; to sew; to stitch; to pole (a boat)
hypothesis; supposition; assumption