[] the state of being physically healthy and strong健康；健壮◆They operate a chain of fitness clubs.他们经营连锁健身俱乐部。◆the health and fitness sector/industry卫生与健康部门／行业◆We need to ensure the company's financial fitness.我们需要确保公司的财务状况处于最佳状态。the state of being suitable or good enough for sth适合（某事物或做某事）◆There were doubts about her fitness for the position.她是否称职还有疑问。