大孩子
dà​hái​zi

Peter Pan

大孩子 dà​hái​zi
Peter Pan noun
an adult who acts like a child or refuses to grow up

他认为自己就是个大孩子。

tā rèn​wéi zì​jǐ jiù​shì ge dà​hái​zi.

He considers himself a big kid.

eldest child noun
one's first-born or oldest child in a family

母亲回答说，她的大孩子去了另外一个村子。

mǔ​qīn huí​dá shuō, tā de dà​hái​zi qù le lìng​wài yī​ge cūn​zi.

The mother replied that her eldest child had gone to another village.

older children
children who are relatively old or no longer toddlers; older kids