Related to word: polish
片語動詞
to clean or buff an item until it gleams, particularly a metal or wooden object
使某物闪亮，抛光（特别是金属或木制品）
She polished the silver bowl until it shone.
她将银碗擦得闪闪发亮。
We need to polish up this wooden table carefully.
我们需要仔细地把这张木桌擦亮。
He spent hours polishing up his antique clock.
他花了几个小时擦亮他的古董钟。
to enhance a skill, especially one that has declined from lack of practice
磨砺技能（尤指长期未练习的）
He needs to polish up his speaking skills before the presentation.
他需要在演讲前提升他的口语技巧。
To prepare for the exam, I decided to polish up my math skills.
为了准备考试，我决定提升我的数学技能。
She enrolled in a course to polish up her writing skills.
她报名了一个课程来提升她的写作技巧。