refine

improve, better, perfect, refine

动词 refine:

1. improve or perfect by pruning or polishing
   同义词：polish, fine-tune, down
2. make more complex, intricate, or richer
   同义词：complicate, rarify, elaborate
3. treat or prepare so as to put in a usable condition
4. reduce to a fine, unmixed, or pure state; separate from extraneous matter or cleanse from impurities
   同义词：rectify
5. attenuate or reduce in vigor, strength, or validity by polishing or purifying
6. make more precise or increase the discriminatory powers of

1. The author is planning to refine on his work of five years ago.
   作者打算把他5年前的著作修改得更完美些。
2. After30 years, the mature author was able to refine on the work of his youth.
   过去30年，这位作家已经成熟，他可以将年轻时候写的作品修改得更完美了。
3. The oil will be refined.
   这些石油将被精炼。

re.fine

v.（动词）
re.fined,re.fin.ing,re.fines
v.tr.（及物动词）
To reduce to a pure state; purify.
提炼：提炼至纯的状态；净化
To remove by purifying.
提纯移走，提纯去掉
To free from coarse, unsuitable, or immoral characteristics:
使高雅：使…去掉粗鲁、不合时宜或不道德的特点：
例句：
refined his manners; refined her speaking style.
使举止高雅；使她说话风格高雅

v.intr.（不及物动词）
To become free of impurities.
被提纯
To acquire polish or elegance.
变得优雅精美
To use precise distinctions and subtlety in thought or speech.
提炼：在思想或言语中使用精确区别和细微之处

【引伸】
refin.er
n.（名词）