三者区别为，在修饰比较级时，a little等于a bit，如，a little longer 等于a bit longer. 在修饰不可数名词时，a little 等于a bit of 如，a little water 等于说a bit of water.至于a little bit ，little只是修饰bit而已。如，a little bit milk.
三者区别为，在修饰比较级时，a little等于a bit，如，a little longer 等于a bit longer. 在修饰不可数名词时，a little 等于a bit of 如，a little water 等于说a bit of water.至于a little bit ，little只是修饰bit而已。如，a little bit milk.
