eager beaver
熱心而勤奮的人
口語·形容勤奮熱心
英文釋義
someone who is very enthusiastic, hardworking, and eager to please or to participate
例句
The new intern is such an eager beaver, always asking for extra tasks.
典故來源
源自海貍勤勞筑壩的習(xí)性,比喻人像海貍一樣熱情、勤奮。