Hello, guys.欢迎再次来到可可俚语课堂，我是Ceciliya.外面的天儿真是越来越热，真可谓是酷暑难耐，但是呢我们依旧要保持冷静，踏踏实实的学习。俗话说得好，心静自然凉。

1.keep one's shirt on保持冷静

Keep your shirt on. He didn't mean to offend you. That's just the way he talks.

保持冷静。那只是他说话的惯常方式，他并非有意要冒犯你。

2.cool it冷静一点

Cool it. You are making me mad.

冷静一点。你快把我逼疯了。

3.joy ride兜风

Let's go for a joy ride.

让我们去兜兜风。

4.rap说唱乐

Do you like rap music? I have trouble understanding the words.

你喜欢说唱音乐吗？我听不太懂其中的歌词。

5.red-letter day大日子

This is a red-letter day for Susan. She made her first sale to a very
important client.

今天是susan的大日子。她和一个非常重要的客户做成了第一笔生意。