【1+1英文】

Angela: "Would you travel around the world if you had the money?"
Andy: "At the drop of a hat."

【1+1中文】

安吉拉：如果你有足够的钱的话，你会环游世界吗？
安 迪：我会马上行动。

【1+1解析】

If you would do something quickly and easily, without thinking about it, you would do it at the drop of a hat.
中文意思：立即行动