如果你想回去，你可以说:

"I want to go back."

"Can we return now?"

"I think it's time to head back."

"I'm ready to go back now."

你也可以使用更具体的语言，比如说:

"Can we go back to the hotel now?"

"I'd pke to return to the office."

"Can we head back to the car?"

总的来说，要表达你想回去的意思，你可以使用一些简单的表达方式，比如 "go back" 或 "return"。