grow up

US /ɡroʊ ˈʌp/
UK /ɡroʊ ˈʌp/
"grow up" picture
1.

长大, 成年

to become an adult

:
My children are growing up so fast.
我的孩子们长大得真快。
What do you want to be when you grow up?
长大后想做什么?
2.

成熟, 懂事

to stop behaving in a childish way

:
It's time to grow up and take responsibility.
是时候成熟起来,承担责任了。
He needs to grow up and stop complaining about everything.
他需要成熟起来,不要再抱怨一切了。