English version

late developer/bloomer

From Longman Dictionary of Contemporary Englishlate developer/bloomerlate developer/bloomerMI a) a child who develops socially, emotionally, or physically at a later age than other children b) someone who does not become successful until they are older late
Examples from the Corpus
late developer/bloomerHe was bright, but a late developer.He was what you'd call a late developer.The latest developer claims to have carried out extensive research into the feasibility of providing medical treatment in Darlington.I suppose you could say I was a something of a late developer in two out of three.Although a late developer, it began to take on the size and conformation of an excellent Clydesdale stallion.
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