a little bit和a little和a bit的区别

a bit, a little
(1) a bit 和 a little 在肯定句中修饰动词、形容词、副词及其比较级,可以换用,表示“一点儿”.
The speaker spoke up a bit / a little so as to make himself heard more clearly.
演讲者把嗓音提高一点,以便使别人听得清楚.
After a day's work, I’m a bit/a little tired. 工作一天之后,我有点儿累.
(2) a bit 和 a little 在否定句中,意思正好相反.
not a bit = not at all
not a little = very much / extremely
I'm not a bit tired. = I'm not tired at all.
我一点也不累.
I'm not a little tired. = I'm very tired.
我非常累.
(3) a little 可直接作名词的定语,而 a bit 则要在后面
加 of 构成短语才能作定语,二者都只能修饰不可数名词.
There's only a little / a bit of food left for lunch.
午餐只剩一点儿食品了.
[注意] a bit of 的复数是 bits of,而a little不能变复数.
a bit, a little bit
(1) a little bit 和a bit意思一样,只不过比a bit的一点还少一点.
(2) a little bit只能作副词使用.
It's a little bit cold.今天有点冷.