First trying physical exercise and dieting, she lost some weight and discovered an inner strength.

她先是尝试通过体育锻炼和节食减了一些体重，并发现了一种内在力量。

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She has a remarkable inner strength.

她有非凡的意志力。

《牛津词典》

Inner Strength and Confidence Called Key factors.

内在实力和信心是关键因素。

youdao

He was a big star. Now he is fifty-seven and damaged by too much alcohol, too many cigarettes and not enough inner strength.

VOA: special.2010.02.22

After I lost the first set today, I tried to find that inner strength.

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This resolve requires a deep inner strength --strength you can, and should, derive from your diversity.

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Finding inner strength at a time when being strong seems like such an impossibility is what can pull you through cancer.

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