Will you do me a favor, Lamp-Wick?

你能帮我一个忙吗，蜡烛芯？

Could you do me a favor?

你可不可以帮我一个忙？

A: Ralph, do me a favor, will you?

a：拉尔夫，帮我一个忙，好吗？

"Do me a favor," he said.

“帮我个忙，”他说。

Could you do me a favor, Sir?

先生，请帮个忙，好吗？