tooth

endure

to clench one's teeth

Alternative spelling of 歯を食い縛る

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

pain, ache, sore / grief, distress

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

tooth / age