eager beaver

US /ˈiː.ɡər ˈbiː.vər/
UK /ˈiː.ɡər ˈbiː.vər/
"eager beaver" picture
1.

工作狂, 積極分子

a person who is enthusiastic and works hard

:
She's such an eager beaver, always the first to volunteer for extra tasks.
她真是個工作狂,總是第一個自願承擔額外任務。
The new intern is a real eager beaver, always asking for more work.
新來的實習生真是個工作狂,總是要求更多的工作。