Meanings

perceptual disorder

prefectural governor

obligation to give notice

intellectual standard

expertise

ascertainment

Chichibu (former province located in present-day Saitama Prefecture)

to lose one's virginity (of a woman)

railway crossing emergency button

knowledge distillation (esp. in machine learning)

but I don't know

radio detection

to be famous

direction finding

court-initiated fact discovery

to be quick-witted

acknowledgement of parentage notification (in the family register)

feigned ignorance

gas leak detector

delusional perception