1. Work at – try hard to improve something or achieve something
Eg: Learning a language isn’t easy. You have to work at it.
2. Work in – include something in a speech, piece of writing, activity, …
Eg: He managed to work in a few references to his new book.
3. Work off – get rid of something, especially a feeling such as anger, nervousness, …, by doing something that uses a lot of your energy
Eg: I need to go and work off a few of these calories.
4. Work off – do a job for someone else because you owe them money or because they have helped you in the past
Eg: She hasn’t worked off her debts to me yet.
5. Work out – think carefully about how you are going to do something and plan a good way of doing it
Eg: UN negotiators have worked out a set of compromise proposals.
6. Work out – calculate an answer, amount, price, …
Eg: See if you can work this bill out.
7. Work up – make yourself feel interested, brave, …
Eg: I’m trying to work up enough courage to go to the dentist.
8. Work up – develop and improve something such as a project or a piece of writing
Eg: Jack took notes which he would work up into a report later.
9. Work on – try very hard to improve or achieve something
Eg: A trainer has been brought in to work on her fitness.
10. Work on – try continuously to influence someone or persuade them to do something
Eg: You leave him to me. I’ll work on him.
11. Work through – deal with problems or unpleasant feelings
Eg: After someone dies, it can take a long time to work through your grief.
12. Work over – Physically attack in order to cause injury
Eg: He’ll talk, once we work him over.