little few many much some a lot a lot of a bit

a lot of+可数复数或不可数名词=lots of；
a lot 作副词用,
如：Thanks a lot.It will benefit you a lot.
many +可数名词复数
much +不可数名词；much 还可以作副词修饰动词或形容词、副词的比较级,如：much better.
little可数名词;另外可做形容词,”表示“小”的意思,如：a little dog,a little girl.(含小巧可爱的语意)；little 有“很少,几乎没有”之意,如：There is little water in the glass.(杯子中几乎没有水.)
few +可数名词复数的情况较多.有“很少,几乎没有”的意思.如：I have few friends.(我几乎没有什么朋友.)
a little+不可数名词 “ 一些……”
a few+可数名词复数 =some“一些……”
a bit (of)有的时候相当于a liitle
有点；稍微
I'm a bit tired tonight.
今晚我有点疲倦.