have butterflies (in your stomach) idiom informal
（通常指对将要做的事）感到非常紧张，觉得很心慌
to feel very nervous, usually about something you are going to do
I had terrible butterflies before I gave that talk in Venice. 我那次在威尼斯讲话前感到异常紧张。
江苏热线英汉汉英双解词典包含207361条英汉翻译词条，涵盖了常用英语单词及词组短语的翻译及用法，是英语学习的必备工具。