| 单词 | on one's mettle | 
| 释义 | mettlenoun  met·tle  ˈme-tᵊl  1  a    : vigor and strength of spirit or temperament (see temperament sense 1a)  a girl of … mettle who lost a baby brother to leukemia  b    : staying quality : stamina  equipment that proved its mettle proved his mettle in battle 2   : quality of temperament or disposition  gentlemen of brave mettle  mettled   ˈme-tᵊld adjective on one's mettle phraseas in intentfully committed to achieving a goal They could see that he was on his mettle before the big game. Synonyms & Similar Words Relevance 
 Antonyms & Near Antonyms 
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