brush up
US /brʌʃ ʌp/
UK /brʌʃ ʌp/
1.
溫習, 複習
to improve one's knowledge or skill in something quickly
:
•
I need to brush up on my Spanish before my trip to Mexico.
去墨西哥旅行前，我需要溫習一下我的西班牙語。
•
She decided to brush up on her coding skills.
她決定溫習一下她的編程技能。