not a little, not a bit都是一点儿也不的意思,没什么区别
quite a few, quite a lot都是很多的意思,quite a few后面要跟可数名词,quite a lot后不限制跟可数或不可数名词,都可以。
not a bit是根本不=not nearly=not...at all
I am not a bit tired=I am not tired at all.
not a little非常=very
I am not a little tired=I am very tired.
quite a few=quite a lot quiet a few boys=quiet a lot of boys相当多的男孩