middle age

详细解释:中年

英语解释：

名词 middle age:

the time of life between youth and old age (e.g., between 40 and 60 years of age)

例句：

Middle age is the time when a man is always thinking that in a week or two he will feel as good as ever.人到中年老在想着：再过一、两个星期就会跟以往一样健康。