middle age
US /ˌmɪd.l̩ ˈeɪdʒ/
UK /ˌmɪd.l̩ ˈeɪdʒ/

名詞
1.
中年
the period of life between youth and old age, usually considered to be between the ages of 45 and 65
例:
•
He's in his middle age, but still very active.
彼は中年だが、まだ非常に活動的だ。
•
Many people experience a 'midlife crisis' during middle age.
多くの人が中年期に「中年の危機」を経験する。
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