a bit+形容词:有点儿...;如:
The room is a bit big.这屋子有点大.
a few+可数名词复数:几个,少数的; 如:a few books几本书; a few days 几天
a great deal:"大量,许多",代表不可数名词;如:
His brother has a great deal in common with him.
他哥哥与他有许多共同之处.
a great deal of+不可数名词:"大量的...,许多...";如:
The dress will cost a great deal of money .这件衣服要花很多钱.