grit one's teeth (to bear pain) / (idiomatic) endure with fortitude

tooth

endure

pain, ache, sore / grief, distress

to bind, to tie, to gird

a binding / a minimum term for a contract / the act of binding: bondage

stem or continuative form of 縛る (shibaru) [godan]

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