met·tle·some /ˈmɛtḷsəm/
(a.)精神蓬勃的;勇敢的
Met·tle·some a. Full of spirit; possessing constitutional ardor; fiery; as, a mettlesome horse.
-- Met*tle*some*ly, adv. -- Met*tle*some*ness, n.
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mettlesome
adj 1: having a proud and unbroken spirit
2: willing to face danger [syn: game, gamy, gamey, gritty,
spirited, spunky]