footloose
adjective uk/ˈfʊt.luːs/ us/ˈfʊt.luːs/
自由自在的，无拘无束的
free to do what you like and go where you like because you have no responsibilities
My sister's married but I'm still footloose and fancy-free. 我姐姐结婚了，但我仍然是自由自在、无拘无束的。
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