grown up
adjective uk/ˌɡrəʊn ˈʌp/ us/ˌɡroʊn ˈʌp/
B2 成年的，成熟的
If you say that someone is grown up, you mean that they are an adult or that they behave in a responsible way.
He seems very grown up for a ten-year-old. 做为一个10岁的孩子，他看上去很成熟。
This book is a bit too grown up for you (= you are too young to understand this book). 这本书对你这个年龄的孩子来说有点太难了。
[ before noun ] She has two grown-up children who work in the family business. 她有两个孩子，都已长大成人，就职于他们的家族企业。
- More examples
- They're a middle-aged couple, with grown-up children.
- My children are all grown-up now.
- She seems very sensible and grown-up.
- I have to be a bit more grown-up for work.
- I don't feel very grown-up.