mettlesome meaning in Chinese

精神饱满的
精神抖擞的
精神蓬勃的
勇敢的

The instant halely touched the saddle, the mettlesome creature bounded from the earth with a sudden spring .
海利一跨上马鞍，那匹烈性子的小马就突然从地面腾空而起。
The mettlesome actress resumed her career after recovering from a stroke
从中风恢复过来后，坚强的女演员又重新开始了她的演艺生涯。
Not but what he could feel with mettlesome youth which , caring nought for the mows of dotards or the gruntlings of the severe , is ever as the chaste fancy of the holy writer express it for eating of the tree forbid it yet not so far forth as to pretermit humanity upon any condition soever towards a gentlewoman when she was about her lawful occasions
盖年轻气盛之徒，向来无视年老昏愦者之皱眉与道学家之抱怨，一味欲食据圣书著者凭借纯洁想象所写树上禁果布卢姆与彼等未尝不抱有同感。惟当一淑女分娩产子之际，无论如何亦不得对人性等闲视之。