1
polish up + noun
指物理擦亮物体表面。
He polished up his shoes before the party.
他在派对前擦亮了鞋子。
提高；改进；磨练
polishes up — third person singular of polish up
先理解核心含义，再看它在真实句子里的用法。
提高；改进；磨练
To improve or refine one's skills.
He polished up his shoes before the party.
他在派对前擦亮了鞋子。
磨炼(技能)。
To hone (one's skills).
polish up
Base
原形
polishes up
3rd person
第三人称单数
polishing up
-ing
现在分词
polished up
Past
过去式
polished up
Past participle
过去分词
I polish up my shoes every day.
我每天擦亮鞋子。
He is polishing up his presentation.
他正在完善他的演示文稿。
She polished up her resume yesterday.
她昨天润色了她的简历。
本短语动词意为擦亮或使完美，规则变化。
I need to polish up my silverware before the dinner party.
晚宴前我需要把我的银器擦亮。
She took a course to polish up her French before the trip.
她参加了一门课程来完善她的法语，为旅行做准备。
The strong cocktail polished him up quickly.
那杯烈性鸡尾酒很快把他灌醉了。
指物理擦亮物体表面。
He polished up his shoes before the party.
他在派对前擦亮了鞋子。
用于抽象事物，表示改进或完善。
She polished up her presentation skills.
她完善了自己的演讲技巧。
非正式用法，指使人醉倒。
The strong wine polished him up quickly.
烈酒很快让他醉了。
Not this
I need to Polish my English before the exam.
Use this
I need to polish up my English before the exam.
误将"Polish"大写，变成波兰语或波兰人；正确应使用小写动词短语"polish up"表示改善。
Not this
I gave my shoes a quick polish up.
Use this
I polished up my shoes quickly.
"polish up"是动词短语，不能作名词使用。应改为动词形式。
Focus on the distinctions below. Other candidates are kept compact until a reliable usage note is available.
提升你的技能
She joined the course to polish up her writing skills.
她参加这门课程是为了提升自己的写作技能。
提高英语水平
He is polishing up his English for the exam.
他正在为考试提高英语水平。
完善技术
The pianist polished up her technique with daily practice.
这位钢琴家通过日常练习完善了自己的技巧。
复习语法
You should polish up on your grammar before writing the essay.
写论文前你应该复习一下语法。
改进自己的表现（或行为）
You'd better polish up your act if you want to keep this job.
如果你想保住这份工作，最好改进一下自己的表现。
复习；提高（技能）
I need to polish up on my French before the trip.
旅行前我需要复习一下法语。
Use polishes up naturally, then get feedback on meaning, tone, grammar, and phrasing.
Revisit a common error or keep this word in your review list.
把技能当作需要抛光的物件，polish up 就是向上打磨，越磨越精，记住‘擦亮=磨练’。
语域：mixed 常见场景：language learning、career development、exam preparation polish up 通常用于口语或半正式场合，指提高、巩固某项技能或知识，比如复习外语、准备面试等。在很正式的书面语中，更常见的是 improve 或 refine。实际使用时，多根据交流对象和语气来选择。
When the object is a pronoun, it must come between 'polish' and 'up': polish it up.
Dictionary facts from ECDICT, WIKTIONARY.