3PHRASAL VERB [usually imper]别犯傻;别孩子气 If you tell someone to grow up, you are telling them to stop behaving in a silly or childish way. 别犯傻;别孩子气 [informal, disapproval]
It's time you grew up. [VERBPREP.]
你该懂事了。
4PHRASAL VERB 形成;兴起;逐渐发展 If something grows up, it starts to exist and then becomes larger or more important. 形成;兴起;逐渐发展
A variety of heavy industries grew up alongside the port. [VERBPREP.]