初老(しょろう)past middle age, nearing old age, near-elderly, age 40

初老(しょろう)の紳士(しんし)がスーツを買(か)いにやってきた。

A gentleman past middle age came to buy a suit.

私(わたし)の夫(おっと)は初老(しょろう)で、最近(さいきん)腰(こし)をよく痛(いた)めています。

My husband is past middle age, and he has recently been hurting his back often.

初老(しょろう)のお医者(いしゃ)さんに診(み)てもらう時(とき)は安心感(あんしんかん)があります。

When I am examined by a doctor who is past middle age, I feel a sense of reassurance.

僕(ぼく)たちは年(とし)の差婚(さこん)で、僕(ぼく)はまだアラサーだが彼女(かのじょ)はもう初老(しょろう)だ。

We are in a marriage with a significant age difference; I'm still in my thirties, but she is already nearing old age.

元(もと)は４０歳(さい)ごろを初老(しょろう)と言(い)ったが、現在(げんざい)では６０歳(さい)前後(ぜんご)と意識(いしき)されている。

Originally, around the age of 40 was referred to as near-elderly, but nowadays it is considered to be around the age of 60.