few, a few; little , a little的用法和区别
（1）few, a few是可数的, little, a little是不可数的。
（2）a few, a little含肯定意味，few, little含否定意味。
I met few people congenial to me in the department.
The thief mooched few apples when we are not looking.
Year by year a few of these slang terms prove so useful that they graduate into respectable society.
年复一年， 这些俚语中的一些证明是十分有用的， 因而逐渐进入了上流社会。
They have a little ink, don't they?
They have little ink, do they?
She has a few Chinese friends, doesn't she?
She has few Chinese friends, does she?
She has a little dog.