A LITTLE
• A little means ‘some, but not a lot’.• You use a little before uncountable nouns:We still have a little time left.• You can say a little of the:A little of the milk got spilled.Don’t say: A little of milk got spilled.
LITTLE
• Little is mainly used in more formal English. It means ‘not much’ and emphasizes how small an amount is.• You use little before uncountable nouns:There is little chance of success.• You can say very little:He has very little money.• In everyday English, people usually say not much instead:There is not much chance of success.He does not have much money.(Source : LONGMAN click here )