deterioration (in quality, performance, etc.); degradation; worsening; (visible) aging; becoming unattractive (due to aging)
classmate; friend in the same class
invisible person (in science fiction, etc.)
national language; Japanese language (esp. as a school subject in Japan); one's native language; mother tongue; native Japanese words (as opposed to loanwords and Chinese-derived words)
lesson; class; teaching; instruction; classwork; schoolwork
poem; poetry; verse; Chinese poem
sensitivity; sensitiveness; sense (of ...)
impressions; thoughts; feelings; reactions
to give up; to abandon (hope, plans); to resign oneself (to)
to long (for); to yearn (for); to love ardently; to do eagerly; to do with restless anticipation
tenacity; persistence; obsession; implacability
reconciliation; making up (with); making peace (with); being friends again; patching up a quarrel
extraordinary; preposterous; outrageous; absurd
one day; (on) a certain day
giving and taking; exchange (of letters); arguing back and forth; (conversational) exchange
thinking back now; looking back
to defy accepted norms; to go off the rails; to be eccentric
being excluded; being ignored; being kept in the dark (about); being kept out of the loop; (lit.) outside the mosquito net
pattern; behavioural pattern; behavioral pattern; predictability
accumulation; accumulate; store
practice; putting into practice; implementation; praxis
to step forward; to step forth; to advance; to start; to embark on; to set forth on
courage; bravery; valour; valor; nerve; boldness
several hundred; hundreds (of)
counter for occurrences; a time; an instance; inning (baseball); round; episode; chapter
as was expected; just as one thought; sure enough; really; actually; ever
convenient; handy; useful
hindrance; obstacle; impediment; annoyance (to others); offence; harm
to act (a part); to play (a role); to perform (a play, etc.); to put on (a production); to commit (e.g. a blunder); to disgrace oneself
to lose one's way; to get lost; to waver; to hesitate; to be captivated (by); to be infatuated (with)
looks (esp. of a woman); features; ability; capability; (public) estimation (esp. of a man); credit
sole; single; solo; independence; singleness; singularity
being incident to; being accompanied by; being collateral with; being attached to
man; male; masculine gender
depending on; as soon as; immediately after; as (e.g. "as one is told", "as one wishes"); whatever (e.g. "whatever is at hand"); order; program
control (of a machine, device, etc.); control (over an opponent, one's emotions, etc.); governing; management
lightly (floating, drifting, etc.); buoyantly; soft; fluffy; unsteadily; flightily
gorgeous; gaudy; dazzling; gay; resplendent
fullness; completeness; enhancement; improvement; replenishment; repletion
greedy; avaricious; covetous; raga (desire)
development; growth; progress; development; expansion (of a typhoon, low-pressure area, etc.); developmental disability