"little"的比较级和最高级分别是 less和 least。
比较级：
less
用法：用于比较两个或多个事物，表示“较少的”或“较小的”。
例句：
I have less money than you.
She has less experience than her colleague.
最高级：
least
用法：用于比较三个或更多事物，表示“最少的”或“最小的”。
例句：
This book is the least interesting of all.
Among the three options, this one is the least expensive.
希望这些信息对你有所帮助。