academic major

specialize in, major in

形而上学: metaphysics

爺: grandfather; old man / 時事: the day's events

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

(Confucianism) Great Learning

a university; a college

he; boyfriend

(philosophy) metaphysics