the daytime and the nighttime considered together

day and night

Alternative form of 勉強

to study / to discount, to reduce the price of something

studying, studies, study

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

(colloquial) current boyfriend

everything