/ˈfɪtnəs ||; ˈfɪtnəs/noun [U]:
1 the condition of being strong and healthy 强健；健康: Fitness is important in most sports. 很多体育活动大都需要有健康的体魄。
2 fitness for sth/to do sth the quality of being suitable 适合做某事的特质；合宜: The directors were not sure about his fitness for the job. 关于这份工作，董事们拿不准他是否做得来。