to polish up
[phrase form: polish]
01
改进, 完善
to improve something until it reaches a high level of quality or completeness
例子
She wanted to polish up her skills before the piano recital.
她想在钢琴独奏会之前提高自己的技能。
The writer took a few months to polish the manuscript up before sending it to the publisher.
作家花了几个月的时间来润色手稿，然后才将其发送给出版商。
02
擦亮, 打磨
to rub or clean something to make it smooth and shiny
例子
She decided to polish up the old silverware before the dinner party.
她决定在晚宴前擦亮旧银器。
You should polish your shoes up before the interview to make a good impression.
你应该在面试前擦亮你的鞋子以留下好印象。
