middle-aged

US /ˌmɪd.əlˈeɪdʒd/
UK /ˌmɪd.əlˈeɪdʒd/
"middle-aged" picture
1.

中年, 中年的

being in the period of life between youth and old age, usually considered to be from about 45 to 65

:
My parents are both middle-aged.
我的父母都是中年人
The survey targeted middle-aged professionals.
這項調查針對的是中年專業人士。