on fire

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释义
超常发挥；做得很顺；高歌猛进
Achieving good results at a rapid rate.

例句
Margaret: I said the wrong thing. Don. Oh, I'm on fire today. (The Newsroom)
玛格丽特：我说错话了，唐。天呐，我今天真是超常发挥了。（新闻编辑室）