mettlesome

adj.

（通常指马等）精力充沛的，勇猛的；

Sir Ashley's Mettlesome Match
He is mettlesome boy——Smooth Fox Terrier
Teacher educators as mettlesome mermaids: On collaborating to reinvent teacher education in a technocratic society
Mettlesome Mets making headway
Mom, the Mettlesome Manager Jackie Kallen, parent of two, is den mother to half a dozen fighters. She wanted a champ -- and got one
Ornamental museum trio launch mettlesome show -- Downtown gallery celebrates artists 'in beginning phases'
A mettlesome business. (Avesta Sheffield Inc.)
The Stanzas of the Old English Rune Poem
Teacher educators as mettlesome mermaids