As Busy As A Beaver
 

* 1.very busy
2.working steadily When the teacher returned
3.the students were as busy as beavers
English Related Words* all trunks busy (atb)
* all-paths busy signal
* always busy
* an eager beaver
* as busy as
* as busy as a bee
* bank beaver
* be busy
* beaver
* beaver away
* beaver board
* beaver buck
* beaver rat
* beaver skin
* beaver state