Eager beaver = a person who is hardworking and enthusiastic (pessoa entusiasmada e esforçada)
“When Josh first started working here he was a real eager beaver, but things have changed since then,” said Mr. Wilkins at the meeting.
“Quando Josh começou a trabalhar aqui era bastante esforçado e entusiasmado, mas as coisas mudaram desde então”, disse o sr. Wilkins na reunião.
José Roberto A. Igreja is the author and co-author of several ELT books, including:
A BRAND-NEW ELT BOOK!
600 Phrasal Verbs (with Jonathan T. Hogan)
Fluent Business English (with Robert C. Young)
English for Job Interviews (with Robert C. Young)
Fale Inglês como um Americano (with Robert C. Young)
American Idioms! (with Joe Bailey Noble III)