隠す: (transitive) to hide, to conceal

核心: kernel, core / 確信: conviction, belief, confidence / 革新: reform, innovation

確執: vendetta; discord

確執: to feud; to be at odds

examination, exam, test / quiz

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

innovation / progressivism

renovate