being well versed (in); being well acquainted (with); being familiar (with); (a boy's) first ejaculation; spermarche; semenarche
to rise; to go up; to enter (esp. from outdoors); to come in; to enter (a school); to advance to the next grade; to get out (of water)
purveyor (to the Imperial Household, etc.); company (or restaurant, place, etc.) that caters to or is popular with a specific clientele
to go out for tea (or coffee, etc.)
foundation; basis; bedrock; substrate (circuit board)
(one's) superior; (one's) boss; the higher-ups
swing; shake; appearance; behaviour; pretence (pretense); show; going to restaurant, hotel etc. without a reservation or introduction
softly; mildly; gently; politely
to dodge; to evade; to avoid; to sidestep
suddenly; casually; accidentally; incidentally; unexpectedly; unintentionally
unusual; unwonted; uncharacteristic
fashion (current) of the times; general drift of affairs
time; years; days; the Moon and the Sun
to memorize; to fix in memory; to master
rich (in flavor, color, smell, etc.); thick; very likely; highly possible; passionate; hot
to knock (ideas) against each other; to present competing ideas; to have a lively exchange of ideas; to smash together; to crash into each other; to throw at each other