| Clue | Source | Date |
|---|---|---|
| Industriously, continuously (4,2,1,3) | ||
| Working energetically (4 wds.) | ||
| Working nonstop (4 wds.) | ||
| Working somewhere that's a hive of activity? | ||
| Working industriously, non-stop (4,2,1,3) | ||
| Working nonstop | USA Today | 12 Mar 2021 |
| Working unceasingly | Wall Street Journal | 20 Jan 2018 |
| Working hard in the service of the queen | The Telegraph Toughie | 02 Nov 2017 |
| Working away | ||
| Buzzing all over the office? | ||
| Needing time off, perhaps | ||
| Working energetically | ||
| Working energetically | ||
| Comparison from Chaucer. |