fit·ness/`fɪtnəs; ˈfɪtnɪs/ n [U] 1 when you are healthy or strong enough to do hard work or sports 健壮; 健康: exercises to improve physical fitness 增进健康的运动 2 the quality of being suitable for something, especially a job 〔尤指工作〕称职，合适: They were still unsure of his fitness for the priesthood. 他们对他能否胜任神职工作仍不肯定。