cooperative relation; cooperative relationship; collaborative relationships; cooperative structure; cooperative ties; cooperative alliance
system; organization; organisation; architecture
solely; entirely; only; sharing; together
systematization; systematisation; organization; organisation
conveyor belt; belt conveyor
beauty or ugliness; personal appearance; looks
from long ago; from old times; from time immemorial
Chinese peony (Paeonia lactiflora)
unexplained; unsolved; unclear
infancy; childhood; tender age
character building; formation of character; personality development
to dance; to perform dance steps
act (usu. undesirable); action; deed; conduct
same generation; one's generation
prodigy; talented person; person of exceptional talent; genius
lapse of memory; (something) slipping one's mind; forgetting for a moment something one knows well
to become serious; to take something seriously (e.g. a joke, teasing); to become irritated or angry (esp. at something trivial); to get worked up
one hundred years ago; a hundred year previously
excursion; field trip; school trip
senior high school student
one's youth; one's youthful days (years); the flower of one's youth; the springtime of one's life
to fall in love (with); to fall for; to be attracted (by); to be charmed (by); to forget oneself; to be entranced (by)
manly; masculine; like a man
womanly; ladylike; feminine
perversity; perverse person; antagonistic demon in Japanese folklore; demon under the feet of temple guardian statues
projection (of a shadow); casting (a reflection); (geometric) projection; reflection (of feelings, experiences, etc.); projection
object of romantic interest; potential love interest
surfacing; rising to the surface; emerging; leaping into prominence; rising (of rank)
no matter how much time passes; no matter how long you wait; (taking) forever