例句-1：To tell you the truth, trying to speak English to 20 other people is giving me real butterflies in my stomach right now. But if I am ever going to learn it, I know I need to practice like this。
例句-2： I expected to see a great movie. But it was a big disappointment. There was so much blood and violence, that all it did was turn my stomach. It was nothing but a waste of time and money。
例句-3： It turned out that Charlie's eyes were bigger than his stomach; he ended up working much longer hours, seven days a week, but losing money with his new place and had to close it down after a year of trying。