非正式搭配 “eager beaver” 比喻 “对工作热忱、干活非常卖力的人”。

• Look at James. He’s done all his work by lunchtime. He’s such an eager beaver!
  看看詹姆斯。他午饭前就把所有的工作都做完了。他真是个干活卖力的人！
• As you’re such an eager beaver, would you like to write some more scripts?
  看你工作特别勤奋，想多写几篇稿子吗？
• I’ve been an eager beaver, doing the housework before our guests arrive.
  我干活可勤奋了，在客人到来之前一直在做家务。