a lot ,a lots,a lot of,a little,a few,bit...要怎么区别,他们的用法.不要用官方语言说,有自己的话大

a bit和a little都作"一点儿"讲,但用法不同.1)a bit和a little在肯定句中修饰动词、形容词、副词和比较级时可以互换,表示"一点儿"的意思.例如:That's a bit too expensive.那有点太贵了.The speaker spoke up a bit/...