"Não é suficiente e chegou tarde demais."
too little, too late
Prov. Not enough help to save the situation, and arriving too late. After a lifetime of bad diet and no exercise, Lorna tried to save her health by improving her habits, but it was too little, too late. Fred: I know how to keep my business from going bankrupt. I'll invest all my savings in it. Bill: I'm sorry, Fred; even that much would be too little, too late.
Too little, too late
Inadequate as a remedy and not in time to be effective, as in The effort to divert the stream into a corn field was too little too late-the houses were already flooded . This term originated in the military, where it was applied to reinforcements that were insufficient and arrived too late to be of help. [First half of 1900s]
Trata-se de um "idiom" e deve ser entendido por inteiro, não por palavras. Como um provérbio ou expressão.