- 释义：
- n. 勇气，才能
- 例句：
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When the seas are in turmoil , heroes are on their mettle.
沧海横流,方显出英雄本色.
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Each and every one of these soldiers has proved his mettle.
这些战士个个都是好样的.
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For both sides, it's the first real test of their mettle this season.
对于双方而言，这是本赛季对他们的能力的首次真正考验。
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