Budding

In the making


In erba


Meanings
Fig: said of a talented young person showing signs of promise in a particular area

Examples
Today he's a budding tennis player, but he will certainly be a champ
Oggi è un tennista in erba, ma domani sarà sicuramente un campione

William, a 14-year-old, got his college degree: you can surely say that he's a budding genius
William, che si è laureato a 14 anni, può essere certamente definito un “genio in erba”

Origin
The real meaning of this expression refers to a budding plant, which is extremely small but rich of promises for the future