brush up

Từ điển WordNet v3.1 - WordNet Dictionary

verb

1. refresh one's memory (Freq. 1)
- I reviewed the material before the test
• Syn:
review, refresh
• Derivationally related forms:
refresher (for: refresh), brushup, review (for: review)
• Hypernyms:
remember, retrieve, recall, call back, call up,
recollect, think
• Verb Frames:
- Somebody ----s something
- Somebody ----s PP
2. bring to a highly developed, finished, or refined state
- polish your social manners
• Syn:
polish, round, round off, polish up
• Derivationally related forms:
polish (for: polish)
• Hypernyms:
perfect, hone
• Verb Frames:
- Somebody ----s something
- Something ----s something