1
- adult成人的：
Joe is married with two grown-up children.
乔已婚, 有两个已成年的孩子。
1.1
- suitable for or characteristic of an adult适合于成年人的; 成熟的：
it seems a grown-up thing to do.
这好像是适合成年人干的事情。
- an adult (especially a child's word)（尤为儿童用语）成年人, 大人：
I don't like it when grown-ups get all serious.
我不喜欢大人那副严肃起来的样子。