歯を食いしばる;歯を食い縛る;歯をくいしばる(sK);歯を食縛る(sK) [はをくいしばる] /(exp,v5r) (id) to bear up in tragedy/to stand pain well/to hold one's temper/to put up (with something)/to clench one's teeth/EntL1313060/