Niánqīng de duìyuán men yìqì-fēngfā, dòuzhì-ángyáng.
The young team members were high-spirited, their fighting will soaring.
Tips
usage
意气 = spirit/mood, 风发 = to rise like wind. The image is youthful energy rising like a gust. Positive and a bit literary, fitting speeches, essays, and describing people in their prime.