如果您想表达想要一个足球作为礼物的愿望,可以使用以下几种表达方式:

简单直接

"I want a soccer."

礼貌客气

"Would it be possible to receive a soccer as a gift?"

"I would be very grateful if you could give me a soccer."

结合情境

"I've been wanting a soccer for a while now. Would you consider buying me one?"

这些表达方式都能清晰地传达您想要一个足球作为礼物的愿望。根据您的具体情境和对方的习惯,您可以选择最适合的一种来表达。