set (one's) teeth

(redirected from set his teeth)

set (one's) teeth

To be or become resolute and determined (to do something). Despite his ankle sprain, the batter stepped up to plate, set his teeth, and knocked the ball out of the park. We just need to set our teeth and do what needs to be done.
See also: set, teeth

set your teeth

1 clench your teeth together. 2 become resolute.
See also: set, teeth
References in classic literature ?
He was powerless against the weakness that seemed to well up in him; it was like the water that rises up in an empty bottle held over a full basin; and he set his teeth, saying the words over and over to himself.
He gripped his hands and set his teeth together--he had not wept, and he would not--not a tear
But Umslopogaas set his teeth, and, drawing the spear from his wound, charged her, shouting.