Alternative form of 刳り貫く

utmost, full power

difficult, trying, hard

difficulties, hardship, trouble

clear / serene / cold

To exhaust; deplete; use up. / serve, assist

to do to exhaustion, to do something completely

to extract (something), to take out / to omit, to take out / to surpass / to disconnect a cable/wire / (slang) to masturbate

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