Alternative spelling of 気付く to become aware; to be revived, to come back to one's senses

to become aware, to notice / to be revived, to come back to one's senses

an error, a mistake / the misunderstood

to misunderstand / make a mistake, make an error

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

calculation / forecast

to calculate

trial and error