adj.成熟的；成人的
n.成年人；大人

After graduating from college, he finally felt like a grownup.
大学毕业后，他终于觉得自己是个成年人了。
It's important for children to see their parents as both caregivers and grownups who have their own lives and interests.
孩子们认为父母既是照顾者也是有自己生活和兴趣的成年人，这一点很重要。
The moment she moved out of her parents' house, she realized the responsibilities that came with being a grownup.
当她搬出父母家的那一刻，她意识到作为成年人所要承担的责任。
Grownups often underestimate the emotional intelligence of teenagers.
成年人常常低估青少年的情商。
At the family gathering, the grownups caught up on each other's lives while the children played together.
在家庭聚会上，大人们互相了解彼此的近况，孩子们则在一起玩耍。
As a grownup, she learned to balance her career aspirations with her personal life.
作为一个成年人，她学会了平衡职业抱负和个人生活。
The movie explores the theme of grownups revisiting their childhood dreams.
这部电影探讨了成年人重拾童年梦想的主题。
Sometimes, even grownups need a little reminder to eat their vegetables and take care of their health.
有时候，即使是成年人也需要提醒吃蔬菜和注意健康。
The grownups in the room tried to maintain a serious discussion, but the kids' laughter kept interrupting.
房间里的成年人都试图保持严肃的讨论，但孩子们的笑声不断打断。
Reading bedtime stories to my child reminds me of the simple joys of being a grownup.
给孩子读睡前故事让我想起了作为成年人的简单快乐。