to commit something / to violate, to rape, to fuck roughly

important, significant / grave, solemn

importance, significance, seriousness, gravity

fault, error, mistake / negligence / immorality between a man and a woman; adultery

he / distal demonstrative, something far off removed from both speaker and listener: that / boyfriend

distal demonstrative, something far off removed from both speaker and listener: that, yon / particularly, male personal third person pronoun: he / by extension from he: boyfriend

he; boyfriend

everything

(colloquial) current boyfriend

(slang) Alternative form of 彼氏 (kareshi, “boyfriend”)