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Prove (one's) mettle

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Перевод prove (one's) mettle на русский язык

prove (one's) mettle
She proved her mettle by handling the crisis effectively.
Она доказала свою стойкость, эффективно справившись с кризисом.

Опеределения

To demonstrate one's courage, resilience, or determination in the face of challenges or adversity.