interpreter (especially a court interpreter, especially of Dutch or Chinese during the Edo period)

Hannō (a city in Saitama Prefecture, Japan)

to react chemically / to respond, to react / be responsive, be sensitive

chemical reaction / reaction, response / feedback

chain reaction (series of events) / chain reaction (type of nuclear reaction)

Used other than figuratively or idiomatically: see 通常, 運転. / (transport) normal operation / (figuratively, of a person) business as usual; same old same old

come to pass

occasion / side / edge / verge / dangerous / adventurous / incident / time / when

moment prior to something

乎古止点: marks to aid in reading Chinese classics