new kid on the block
US /nuː kɪd ɑn ðə blɑk/
UK /nuː kɪd ɑn ðə blɑk/

1.
nuovo arrivato, ultimo arrivato
a person who is new to a place or organization and has little experience
:
•
As the new kid on the block, she was eager to learn everything.
Come nuova arrivata, era ansiosa di imparare tutto.
•
The company hired a lot of new kids on the block this year.
L'azienda ha assunto molti nuovi arrivati quest'anno.