怎么用美语说临场发挥？ wing it 临场发挥 Oh my gosh. I have to give a presentation in 20 minutes and I haven't prepared at all! 我的天呐。我20分钟之后有一个报告，我完全没有准备！ Don't worry about it. You know this stuff. Just wing it and have fun! 别担心！你知道你要讲的东西，就临场发挥，享受过程吧！