I was wondering if i could ask ou a massive favour.

问题描述:

I was wondering if i could ask ou a massive favour.
这句话 massive什么意思? 什么是massive favour?
英国的习惯用语?美国人这么说吗?
就是 a huge favour的意思?

就是帮他一个大忙
ask sb a favour是向某人求助