挺直腰桿；理直氣壯；昂首闊步

英譯：
walk tall

例句：
If you depend too much upon others you will never be able to walk tall. (如果你過份依賴別人，你就永遠挺不起腰桿來)

We walk tall and the voice is more powerful. (我們理直氣壯，聲音更強有力)

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