brush up   (TTS Sound)

The brush_up has 2 Senses.

• brush up, review, refresh
• 復習
• refresh one's memory; "I reviewed the material before the test"
• 記憶を新しくする

• brush up, round, round off, polish up, polish
• 磨る, 研ぐ, 摩する, 研摩, 推敲, 摩る, 磨ぐ, 磨く, 研磨
• bring to a highly developed, finished, or refined state; "polish your social manners"
• 非常に発達した、完成した、あるいは洗練された状態に、持っていく