middle age

US /ˌmɪd.l̩ ˈeɪdʒ/
UK /ˌmɪd.l̩ ˈeɪdʒ/
"middle age" picture
1.

中年

the period of life between youth and old age, usually considered to be between the ages of 45 and 65

:
He's in his middle age, but still very active.
他正值中年,但仍然非常活跃。
Many people experience a 'midlife crisis' during middle age.
许多人在中年时经历“中年危机”。