| A | B |
| to do one's bit | to take one's share of responsibility, work, cost etc. |
| to do as one is told | to obey instructions |
| to do the dirty on somebody | to play a mean trick on somebody |
| to do one's homework | to be well-informed and prepared for questions etc. |
| to do the honours | to act as host or hostess |
| to do one's level best | to try as hard as possible |
| to do one's nut | to lose one's temper, to become very angry |
| to do the right thing | to act in a wise or morally correct way |
| to do the sights | to visit all the things worth seeing in a town |
| to do the spadework | to do preliminary, basic or necessary work before the most important work can be done |
| to do one's stuff | to do what one is expected to do as well as one can do it |
| to do miracles | to produce excellent or unexpected results |