have butterflies in my stomach什么意思

1、have butterflies in my stomach是固定搭配，意思是心里七上八下

我们用例子来看怎么使用

2、What's wrong？

怎么了？

3、I have to give speech to three thousand people

我得向三千人发表演讲

4、You must have butterflies in my stomach

你心里一定是七上八下