set (one's) teeth(redirected from set our 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.
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.
set your teeth1 clench your teeth together. 2 become resolute.
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