| Exertion |
| Hard work |
| Extra effort |
| Vigorous effort |
| Energy of a sort |
| Strenuous exertion |
| Effort, so to speak |
| Extra effort in cleaning |
| Vigorous physical effort |
| Extra effort, so to speak |
| Strong cleaning solution? |
| Strong effort in cleaning |
| Hard physical work (informal) |
| It may be needed to get out a tough stain |