検査官: ticket inspector

PCR検査: (medicine) PCR test; polymerase chain reaction test (e.g. used in diagnosing COVID-19)

結社: association, society

synonym of けんぱ (“(a type of) hopscotch”)

case / matter / subject / (informal, always modified with a verb phrase) incident; happening

a male given name / a male given name

the sky

tiredness

to level off / to trim / to pare down

a sword, especially one with a double-edged blade / swordsmanship / a bayonet / (entomology) a stinger / (entomology) an ovipositor