Meaning of the word "eager beaver" in English

What does "eager beaver" mean in English? Explore the meaning, pronunciation, and specific usage of this word with Lingoland.

eager beaver

US /ˈiː.ɡər ˈbiː.vər/
UK /ˈiː.ɡər ˈbiː.vər/
"eager beaver" picture

Idiom

1.

a person who is enthusiastic and works hard

Example:
She's such an eager beaver, always the first to volunteer for extra tasks.
The new intern is a real eager beaver, always asking for more work.
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