mettle
n. 勇气；气质；耐力
例句
The next game will be a real test of their mettle.
下一场比赛就要看他们的拼搏精神了。
《牛津词典》
His first important chance to show his mettle came when he opened the new session of the legislature.
当他主持召开新一届立法会议的时候，让他显示魄力的第一次重要机会来了。
《柯林斯英汉双解大词典》
Each and every one of these soldiers has proved his mettle.
这些战士个个都是好样的。
《新英汉大辞典》
