headquarters; head office; main office
unnecessary; not needed; not necessary
deep in the mountains; mountain recesses
surging waves; raging billows; turbulent; tempestuous; tumultuous
development; evolution; expansion; spreading out; expansion (of an algebraic expression); development (of a three-dimensional shape); extraction (of compressed data)
ordinary clothes (i.e. non-uniform); plain clothes; civilian clothes; plainclothes police officer
joint exercise; joint training
arranged; taken care of; settled; completed; finished
confluence (of rivers); flowing together; joining; joining (of people, groups, parties, etc.); union; linking up
to see (someone) off; to escort; to watch (someone or something) go out of sight; to follow with one's eyes; to let (a bus, pitch, etc.) go by; to let pass; to postpone
to go over the top; to act without restraint; to cut loose
to stick out one's tongue; to ridicule someone (behind their back); to laugh at someone
motorcycle; motorbike; bike; bicycle
transportation expenses; travel expenses; fare (train, taxi, etc.)
comparatively; relatively; fairly; considering ...; for ...; despite ...
to be careful; to pay attention; to take care
one bow; one salute; one greeting
to stop; to turn off; to park; to prevent; to suppress (a cough); to stop (someone from doing something); to dissuade
riding; ride; spread (of paints); -seater (e.g. two-seater); (getting into the) mood; (entering into the) spirit
having no license; being unlicensed
to insist; to assert; to be obstinate in saying
mountain road; mountain trail
uphill road; ascending road
to run down (stairs, etc.)
junior high school; middle school; lower secondary school
brave figure; valiant figure; heroic figure; gallant figure
up through; up until; down to; from ... to ... (e.g. from head to toe); everything from ... to ...
not yet seen; unseen; unacquainted; unknown
by all means; no matter what; at any rate
skillful; skilled; proficient; flattery
in any case; at any rate; anyhow; anyway; as you know; for you see
one's feeling while riding; comfort (of a vehicle); ride quality
giving something a try because it will not do any harm
proposal; proposition; suggestion
terrific; staggering; tremendous; frightful; ghastly; horrific
to destroy; to demolish; to disturb; to put into disorder; to relax (one's pose); to make oneself at ease; to break (a bill)
to stuff into; to jam; to shorten; to move closer together; to reduce (spending); to conserve; to focus intently on