grown-up的复数:grown-ups

n.大人;成人

例句：

Our party was composed of three grown-ups and four children.

我们这组是由三个成年人和四个孩子组成的。

It doesn't always work that way with grown-ups.

这话对成年人来说通常不起作用。

Not children& these were real grown-ups reading children's books.

不是孩子&这些读着儿童书籍的人是如假包换的成年人。