skill (capacity to do something well)

to polish, to brush / to improve, to refine (a skill)

Alternative spelling of 日日: day by day

every day, daily

oneself / first-person pronoun: I, me (often shows the speaker's lower position in a hierarchy than the addressee) / (Kansai) you

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

to strengthen one's honor and chivalry as a man

myself, oneself