1. The company needs to polish up its image.

2. I'm going to New York, so I must polish up my English.

3. Polish up your writing skills on a one-week professional course.

4. You should polish up your Spanish before you go to Chile.

5. He wants to go to evening classes to polish up his English.

6. I really must polish up my Japanese before we visit Japan next year.

7. The market has since done much to polish up its self-regulation, though it is still far from squeaky-clean.

8. Would you polish up the article a bit?

9. The maids began to polish up the silver dishes.

10. You've got to polish up on your idiomatic expressions.

11. I need to polish up on my Spanish.

12. Will you polish up this article a bit before we send it to the printer?

13. I need to polish up my Chinese before we go on vacation.

13. Wish you can benefit from our online sentence dictionary and make progress day by day!

14. He's got to polish up his business French for his job.

15. In his spare time he did all he could to polish up his German.