Mitch: I don't remember this at all.

　　Claire: Yeah, I skated away and called you a big baby.

　　今日知识点：

　　01、孩子气 Child(ish)

　　可以说childish，也可以直接用child.

　　例句一：

　　You're mad at him just because he's mad at you. Will you two stop being so childish?

　　你生他气就是因为他生了你的气。你们两个能不能别这么孩子气？

　　例句二：

　　Talking to you is like talking to a child. You won't take anything seriously.

　　和你聊天就像和小孩子聊天一样。什么事情你都不当真。

　　02

　　小孩

　　Kid

　　例句一：

　　A: I don't want to go to the meeting.

　　我不想去开会。

　　B: Don't be a kid. Let's just get this over with.

　　别像个孩子一样。快点开完就好了。

　　例句二：

　　I hate dealing with Eva. It's like dealing with a kid.

　　我不喜欢和Eva打交道。好像和小孩子打交道一样。

　　03

　　幼稚的成年人

　　Man child

　　例句一：

　　My ex is nothing, but a man child. If he doesn't have his way, he throws a tantrum.

　　我前男友像个小孩子一样。不按他的方式办事，他就会发脾气。

　　例句二：

　　There's no way I'm inviting Ethan to the party. That man child will just embarrass me with his immature jokes.

　　我不会邀请Ethan参加聚会。他像个小孩子一样总是开一些不成熟的玩笑，让我很尴尬。

　　04

　　改掉孩子气，变得成熟

　　Grow up

　　通过这个表达，可以间接形容一个人不成熟，太幼稚。

　　例句一：

　　All you do is take selfies of yourself all day. You need to grow up.

　　你整天都在自拍。你得成熟一点。

　　例句二：

　　Billy complains every time he's given an assignment. He has a lot of growing up to do.

　　Billy每次接到任务都要发牢骚。他得学着成熟一点了。

　　05

　　成熟一点

　　Act your age

　　例句一：

　　You can't stay out all night and party. You're not a 20 something college kid. Act your age.

　　你不能在外面整夜聚会。你不是20几岁的大学生了。成熟一点。

　　例句二：

　　Why does Kendra cry at every little thing that goes wrong? She should act her age.

　　为什么连一点小事出错Kendra也要哭？她应该学着成熟一点。