辛沛沛NO-BOOK 傻瓜机口语极短句 Lesson 128 I'm serious.（在线收听）

Lesson 128 I'm serious.

1.I'm serious.我是认真的。

2.You can't be serious!你不是认真的吧！

3.Are you serious?你是认真的吗？

4.Now to be serious.现在谈点正事吧。

5.The mistake isn't very serious.这错误不算严重。