a birthday

(rare) a birthday

celebrate

to open / to begin an event

to open, lift, uncover, unpack / to bloom / to start, open (a store)

open (intransitive verb)

Alternative form of パーティー (pātī, “party”)

a party (social gathering) / (role-playing games) party (group)

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