当您想要表达“出国留学剪头发”时，您可以使用以下表达：
"I need to get a haircut."
"I'm going to get a haircut."
"Can you recommend a good place for a haircut around here？"
"I'd like to have my hair cut."
"Where can I get a professional haircut？"
这些表达可以帮助您告诉别人您想要剪头发，并且可能寻求推荐或者询问地点