柯林斯詞典eager beaver 1. N a person who displays conspicuous diligence, esp one who volunteers for extra work (尤指自願(yuàn)做額外工作的)特別賣力的人[非正式] 返回 eager beaver劍橋詞典a person who is willing to work very hard 乾活特別賣力的人；對(duì)工作極有熱忱的人 返回 eager beaver