improve something
We need to improve our communication skills.
我们需要改善我们的沟通技巧。
改进；改善；提高
improved — past of improve
变好；好转；使(某物)变得更好；提高(某物的)价值或生产力。；变得更好；改善。；改良；提高...的价值
to make something better; to increase its value or quality
使(某物)变得更好；提高(某物的)价值或生产力。
To make (something) better; to increase the value or productivity (of something).
变得更好；改善。
To become better.
一般现在时
I improve my English every day.
我每天提高英语。
past
She improved her score last week.
她上周提高了分数。
现在完成时
They have improved the system.
他们已经改进了系统。
规则动词
She decided to improve her English by reading every day.
她决定通过每天阅读来提高英语水平。
用法提示：这里“improve”作为及物动词，表示“提高、改善”某方面的能力。
The weather will improve later this week.
本周晚些时候天气会好转。
用法提示：这里“improve”作为不及物动词，表示“变得更好、好转”。
He improved his running time by practicing regularly.
他通过定期练习提高了跑步时间。
用法提示：这里“improved”是过去式，作为及物动词，表示“提高（成绩或表现）”。
We need to improve our communication skills.
我们需要改善我们的沟通技巧。
通常用于比较基础或之前的版本。
She managed to improve on her previous record.
她成功地提高了她之前的记录。
He is improving at playing the piano.
他在弹钢琴方面正在进步。
‘enhance’侧重提升质量或价值，比‘improve’更正式，常用于抽象事物
‘upgrade’常指硬件、软件或设施的更新换代，隐含等级提升
‘boost’强调数量或性能的显著提升，比‘improve’更口语化且带推动意味
‘refine’侧重去除瑕疵，使更精细或完美，常用于工艺、想法等
‘ameliorate’比‘improve’更正式，多用于书面语，强调状况的改善
grammar · medium
易错句子I want to improve on my English.
正确表达I want to improve my English.
“improve on” 用于超越了某个标准或记录，而一般性的提高自身应直接用 “improve” 接宾语。
grammar · medium
易错句子We need to improve the number of customers.
正确表达We need to increase the number of customers.
“improve” 侧重质量或性能的改善，“increase” 用于数量或数值的增加。
提高性能/表现
The new software will improve performance significantly.
这款新软件将显著提高性能。
改善健康
Regular exercise can improve your health.
定期锻炼可以改善你的健康。
提高技能
She took a course to improve her English skills.
她上了一门课来提高英语技能。
改善情况
The government took measures to improve the economic situation.
政府采取措施改善经济状况。
大幅改善
The patient's condition improved dramatically after treatment.
治疗后病人的状况大幅改善。
随时间改善
With practice, your writing will improve over time.
通过练习，你的写作会随时间改善。
prefix
root
提高技能是改善常见的目标
常与改善搭配，指表现变好
改善质量是常见说法
提高效率是改善的重要方面
改善意味着取得进步
改进，胜过
The new model improves on the previous one in several ways.
新型号在多个方面都比旧型号有所改进。
改善命运，改善处境
She returned to school to improve her lot in life.
她重返学校以改善自己的生活状况。
越陈越佳，随时间变好
This wine improves with age.
这种酒越陈越香。
Dictionary facts from ECDICT, WIKTIONARY.