中年期に in mid-adult life●in middle age

中年期に起こる occur in middle life

中年期に生じる occur in middle life

中年期の in mid-adult life

中年期の終わり頃に in late middle age

中年期以降に later in life

中年者 middle-aged person●person in one's middle age

中年女性 middle-aged woman

中年世代 age people〔年金受給世代の〕●middle years

中年成人 middle-aged adult

中年層 middle-aged people

中年層の雇用不安の解消する eliminate employment instability among middle-aged workers

中年早期に発症する〔病気が〕 develop by early middle age

中年太り get fat in middle age●middle-age [middle-aged] spread [paunch]●midriff bulge●spare tire〈俗〉

中年太りする develop a middle-age spread

中年太りになる get middle-age spread

中年太りを抑える keep back the middle-aged spread

中年男性に多く起こる occur mostly in middle-aged men

中年男性に多く生じる occur mostly in middle-aged men

中年男性に多く発症する occur mostly in middle-aged men

中年男性の発症が多い occur mostly in middle-aged men