H-6：have butterflies in one's stomach 非常紧张
A：Was it the first speech you'd ever made?
A:那是你第一次做演讲吗？
B:Yeah.
B：是的。
A:How did you feel before you made the speech?
A:在你演讲之前你感觉如何？
B:Well, I had butterflies in my stomach for an hour!
B:噢，我紧张了足足有一小时！
