"Stiffen one's spine" means to become more determined, resolute, or courageous, especially in the face of adversity or challenge. ✍️ مصمم تر، قاطع تر یا شجاع تر شدن، به ویژه در مواجهه با سختی یا چالش.
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👈مترادف: Strengthen one's resolve, become resolute, muster courage
👇مثال؛
She had to stiffen her spine to confront her boss about the unfair treatment.
He stiffened his spine and decided to speak out against the injustice.
The team needed to stiffen their spines and push through the final minutes of the game.