A keen and enthusiastic person who works very hard.
More example sentences
- The overcast and misty weather did little to dampen the enthusiasm of the eager beavers.
- At the agencies I was able to contact, I found that a lot of eager beavers had already filled up the slots in most of them.
- The students were buzzing and there was a long queue of eager beavers waiting for their turn.
Definition of eager beaver in:
- The British & World English dictionary