fair-haired boy
US /ˈferˌhɛrd bɔɪ/
UK /ˈferˌhɛrd bɔɪ/

1.
queridinho, favorito
a person who is especially favored or preferred by someone in authority
:
•
He's the boss's fair-haired boy, always getting the best assignments.
Ele é o queridinho do chefe, sempre recebendo as melhores tarefas.
•
The new intern quickly became the department's fair-haired boy.
O novo estagiário rapidamente se tornou o queridinho do departamento.