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drastically + verb
动词常用表示大幅变化或影响的词，如 change, reduce, increase, improve 等。
The new policy drastically changed the company's direction.
新政策大幅改变了公司的方向。
激烈地；彻底地
先理解核心含义，再看它在真实句子里的用法。
激烈地；彻底地
in a drastic manner
The new policy drastically changed the company's direction.
新政策大幅改变了公司的方向。
极度地；极其
To a drastic degree.
剧烈地；大幅地
In a drastic manner.
The company drastically reduced its workforce to cut costs.
公司大幅裁员以削减成本。
Her lifestyle changed drastically after she moved to the countryside.
她搬到乡下后，生活方式发生了彻底改变。
The new regulations will drastically affect small businesses.
新规定将严重影响小企业。
动词常用表示大幅变化或影响的词，如 change, reduce, increase, improve 等。
The new policy drastically changed the company's direction.
新政策大幅改变了公司的方向。
常与 different, new, altered 等形容词连用。
His opinion is drastically different from mine.
他的观点与我的截然不同。
用于强调比较级程度的巨大差异。
This approach is drastically more effective.
这种方法有效得多。
Not this
We need to make a drastically decision.
Use this
We need to make a drastic decision.
drastically 是副词，不能修饰名词 decision。应使用形容词 drastic 来修饰名词。
Not this
I drastically agree with you.
Use this
I completely agree with you.
drastically 表示剧烈地或彻底地改变，常用于描述动作或变化，不适用于表示完全同意。表示完全同意应使用 completely。
Focus on the distinctions below. Other candidates are kept compact until a reliable usage note is available.
大幅度减少
The company had to drastically reduce its workforce to stay afloat.
该公司不得不大幅裁员以维持运营。
彻底改变
Her lifestyle changed drastically after the accident.
事故后她的生活方式彻底改变了。
显著改善
The new software will drastically improve our productivity.
新软件将显著提高我们的生产率。
急剧增加
The population of the city has drastically increased over the last decade.
过去十年该城市人口急剧增加。
大幅改变
Climate change is expected to drastically alter global weather patterns.
气候变化预计将大幅改变全球天气模式。
截然不同
The two proposals are drastically different in their approach.
这两个提案在方法上截然不同。
Use drastically naturally, then get feedback on meaning, tone, grammar, and phrasing.
Revisit a common error or keep this word in your review list.
将 'drastically' 拆解为 'drastic'（激烈的）+ 'ly'（副词后缀），意为激烈地、彻底地。
语域：mixed 常见场景：政策变动、经济措施、个人习惯 该词多用于描述重大、彻底的变化，在正式和非正式场合均常见，但更频繁出现于严肃讨论中。
All words share the suffix -ically, typically pronounced /ɪkli/ or /ɪkəli/. However, stress placement differs: 'drastically' stresses the first syllable (/ˈdræstɪkli/), while these pattern words stress the syllable before -ically (e.g., /drəˈmætɪkli/, /ˌsɪstəˈmætɪkli/). Thus, they are not perfect rhymes.
Dictionary facts from ECDICT, WIKTIONARY.