to surprise

後に: subsequently, later on

後: a time after the present time

then / soon afterward; after that; thereafter

a surname / a place name

later, afterwards, some time after the present

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

A sound made by one object hitting another. Thud; bang; thump. / A word used to indicate the start of a race or competition.