他是一个有两个孩子的中年男人。

He is a ___middle-aged man with two children.

我们的老师是一位面带和善微笑的中年女士。

Our teacher is a ___middle-aged lady with a kind smile.

许多中年人面临着平衡工作和家庭的挑战。

Many ___middle-aged adults face challenges balancing work and family.