quiet a lot:相当多+可数或不可数
quite a little:相当多+不可数名词
quite a few:相当多+可数名词
quite a bit:相当多,后面不能加
I am quite to do anything for you.
我十分乐意为你做任何事。
I quite agree with him.
我完全同意他的意见。
What to do is one question, and how to do it is quite another.
应该做什么和应该怎样做是完全不同的两个问题。