1 ADJ 中年的 If you describe someone as middle-aged, you mean that they are neither young nor old. People between the ages of 40 and 60 are usually considered to be middle-aged. 中年的

2 ADJ-GRADED 具有中年人特点的;保守的;过时的 If you describe someone's activities or interests as middle-aged, you are critical of them because you think they are typical of a middle-aged person, for example by being conventional or old-fashioned. 具有中年人特点的;保守的;过时的 [disapproval]