to be on (also upon) one's mettle: to be motivated or inspired to do one's best.
单词 | θ91446 |
释义 | the world > action or operation > manner of action > effort or exertion > exert oneself or make an effort [verb (intransitive)] > do one's utmost > be incited to (1) to be on (also upon) one's mettle1726 to be on (also upon) one's mettle: to be motivated or inspired to do one's best. |
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