名詞 mettle:

1. the courage to carry on
   同義詞：heart, nerve, spunk

1. The next race will put him on his mettle.
   下次賽跑他就要全力以赴了。
2. You'll be on your mettle during the training course.
   你在訓(xùn)練期間要盡最大努力。
3. He is a man of mettle.
   他是個(gè)有勇氣的人。

met.tle

n.（名詞）
Courage and fortitude; spirit:
精神，勇氣：勇氣，決心；精神：
例句：
troops who showed their mettle in combat.
在戰(zhàn)斗中顯示了斗志的部隊(duì)

Inherent quality of character and temperament.
內(nèi)在的氣質(zhì)：性格、脾氣的內(nèi)在氣質(zhì)

<習(xí)慣用語(yǔ)>on (one`s) mettle
Prepared to accept a challenge and do one`s best.
奮發(fā)：準(zhǔn)備接受挑戰(zhàn)并盡最大努力
來源：
Variant of metal
metal的變體