
Gnash your teeth
Strong Emotion
Used to express extreme anger or frustration, often in situations where someone feels powerless.

Watching the unjust verdict, he could only gnash his teeth in helpless fury.
Figurative Use
People don't usually physically grind their teeth, it's a metaphor for intense emotion.

Hearing the news of the scandal, the voters gnashed their teeth, feeling betrayed.
Ineffective Response
Implies that the action is ineffective; there's no real solution or improvement achieved.

The team could only gnash their teeth in frustration as the clock ran out.
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