1.（用作儿语）成年人，大人
Agrown-up is an adult; used by or to children.

e.g. Jan was almost agrown-up...
简都快是个大人了。
e.g. Tell children to tell agrown-up if they're being bullied.
告诉孩子们，如果被人欺负就告诉大人。

2.成熟的；成年的；长大的
Someone who isgrown-up is physically and mentally mature and no longer depends on their parents or another adult.

e.g. I havegrown-up children who're doing well.
我的几个孩子已经长大成人并且事业有成。

3.似成人的；成熟的
If you say that someone isgrown-up, you mean that they behave in an adult way, often when they are in fact still a child.

e.g. She's verygrown-up.
她表现得很像个大人。

4.适于成人的；成人的
Grown-up things seem suitable for or typical of adults.

e.g. Her songs tacklegrown-up subjects...
她的歌曲唱的都是成年人的事情。
e.g. She talked in agrown-up manner.
她说起话来像个大人。