1. at a fast speed; quickly
快速地；迅速地
The population of the city is growing rapidly.
這座城市的人口正在快速增長。
She walked rapidly towards the exit.
她迅速地向出口走去。
Rapidly Meaning（定義、用法、例句與發音）
rapidly
adverb
快速理解
What does "Rapidly" mean?What are 2-3 core uses of "Rapidly"?
「rapidly」描述動作或變化以極快的速度發生。
- 1
高速地
EN: moving or happening at a very fast speed
翻譯: 以非常快的速度移動或發生
- 2
迅速地（變化）
EN: changing or increasing very quickly
翻譯: 非常迅速地改變或增加
- 3
即刻地
EN: in a way that happens without delay
翻譯: 以毫不延遲的方式發生
小提醒：「rapidly」強調速度本身，通常用於描述客觀、中性的快速過程，而非帶有興奮或混亂情緒的「quickly」。
發音（How to Pronounce "Rapidly" in English）
How to pronounce "Rapidly" in English?"Rapidly" US vs UK pronunciation
點擊下方的 US / UK 按鈕可播放發音。
Real-life Examples of "Rapidly" from YouTube Videos
Volley (W18) - YC Tech Talks: Gaming 2020 (November 9th, 2020)
Y Combinator
“um, yeah, the company has been been growing pretty quickly. we raised the series a about five months ago, so we've been expanding the team really rapidly.”
(1 out of 42)
Definitions（定義）
What are the definitions of "Rapidly"?How does "Rapidly" change by context?
2. in a short period of time; with great speed of change or development
在短時間內；變化或發展極快地
Technology is advancing rapidly.
科技正在快速進步。
The situation is changing rapidly, so we need to stay alert.
情勢正在迅速變化，所以我們需要保持警覺。
3. in a way that happens very soon after something else
緊接著地；隨即地
The news spread rapidly throughout the community.
這個消息迅速在社區裡傳開。
After the announcement, shares fell rapidly.
公告發布後，股價隨即迅速下跌。
Grammar & Patterns（句型）
What are common sentence patterns for "Rapidly"?How to make natural sentences with "Rapidly"?
| Pattern | Meaning | Example |
|---|---|---|
| rapidly + V | 迅速地（做某事） | The company is rapidly expanding its market share. (該公司正在迅速擴張其市場佔有率。) |
| V + rapidly | （動作）迅速地（發生） | The situation changed rapidly overnight. (情況在一夜之間迅速改變。) |
| more/less rapidly + than... | 比…更快/更慢地 | Technology evolves more rapidly now than in the past. (科技現在的發展速度比過去更快。) |
| as rapidly as... | 和…一樣迅速地 | We need to adapt as rapidly as our competitors. (我們需要和競爭對手一樣迅速地適應。) |
| increase/grow/change + rapidly | 迅速增加/成長/變化 | The city's population grew rapidly in the last decade. (這座城市的人口在過去十年裡迅速增長。) |
用法說明
How is "Rapidly" different from similar structures?What usage mistakes are common with "Rapidly"?
rapidly doing vs rapidly to do
- "rapidly" 修飾動詞時，通常直接放在動詞前，或放在助動詞與主要動詞之間，表示動作進行的「速度很快」。
- 英文中沒有 "rapidly to do" 的固定搭配。"to do" 是不定詞，前面通常不會直接搭配副詞 "rapidly" 來修飾 "to" 本身。
- 若要表達「為了快速做某事」，會使用其他結構，如 "in order to do something rapidly" 或 "to do something quickly"。
- 常見的結構是 "rapidly" 修飾一個進行式或一般動詞，例如 "rapidly increasing" 或 "increase rapidly"。 EN: The company is rapidly expanding its market share. 翻譯: 該公司正在迅速擴張其市場佔有率。
EN:He worked rapidly to finish the report before the deadline.
翻譯:他為了在截止日期前完成報告，工作得非常迅速。
總結建議
使用 "rapidly" 時，應將其置於所修飾的動詞附近，並避免創造 "rapidly to + 動詞" 的不自然結構。
易混淆對比
What is the difference between "Rapidly" and similar words?How to choose "Rapidly" vs alternatives?
rapidly vs quickly
「rapidly」強調變化或進展的速度極快，常指一個過程或趨勢；「quickly」則更通用，指動作或反應在短時間內完成。
rapidly vs swiftly
「rapidly」側重於速度本身快；「swiftly」則強調動作敏捷、流暢且有效率，常帶有優雅或果斷的意味。
rapidly vs fast
「rapidly」是副詞，專門修飾動詞或整個句子；「fast」可作形容詞或副詞，作副詞時多與具體動作動詞搭配。
口語用法
How is "Rapidly" used in spoken English?What is the spoken vs formal difference for "Rapidly"?
引述
在口語中，有時會用 "rapidly" 來引述或總結一個快速變化的過程。 EN: So the situation changed rapidly, and we had to adapt. 翻譯: 所以情況迅速改變，我們不得不適應。
EN:He said the company is growing rapidly, which is great news.
翻譯:他說公司正在快速成長，這是個好消息。
語氣強調
當想強調變化或行動的速度極快時，會加重 "rapidly" 的語氣。 EN: The fire spread rapidly—it was terrifying. 翻譯: 火勢迅速蔓延——真是可怕。
EN:You need to act rapidly if you want to catch that opportunity.
翻譯:如果你想抓住那個機會，就得迅速行動。
停頓填充
在思考下一句話時，有時會用 "...rapidly..." 作為短暫的停頓填充詞。 EN: The market is evolving... rapidly... so our strategy must too. 翻譯: 市場正在演變…迅速地…所以我們的策略也必須跟進。
EN:We saw improvements, rapidly, in just a few weeks.
翻譯:我們看到了改善，迅速地，就在幾週之內。
注意：在正式寫作中（如學術論文、商業報告），應避免將 "rapidly" 用作停頓填充詞，並確保其用法精確且符合上下文。
常見短語
What common collocations use "Rapidly"?What fixed phrases with "Rapidly" should I remember?
rapidly growing
adverb + adjective
快速增長的
change rapidly
verb + adverb
迅速變化
increase rapidly
verb + adverb
迅速增加
move rapidly
verb + adverb
快速移動
develop rapidly
verb + adverb
迅速發展
spread rapidly
verb + adverb
迅速蔓延
advancing rapidly
verb + adverb
迅速推進/進步
常見錯誤
What are common mistakes with "Rapidly"?Which "Rapidly" sentences look correct but are wrong?
×The company is growing rapid.
✓The company is growing rapidly.
在動詞（如 grow）後面應該使用副詞（rapidly）來修飾動作，而不是形容詞（rapid）。形容詞用來修飾名詞，例如 'rapid growth'。
×He rapidly the car drove.
✓He drove the car rapidly.
副詞 'rapidly' 通常放在動詞之後，或是在句尾來修飾整個動作。不應將副詞插入主詞與動詞之間，除非是頻率副詞（如 always, sometimes）。
×The train moved rapidly fast.
✓The train moved rapidly.
'Rapidly' 本身已表示「快速地」，與 'fast' 意思重複，屬於冗詞。應選擇其中一個即可。
×She types more rapidly than him.
✓She types faster than him.
雖然 'more rapidly' 在文法上是正確的，但在日常英語中，描述速度的比較級更常使用 'faster'。'More rapidly' 聽起來較為正式或書面化。
×I rapidly know the answer.
✓I quickly realized the answer.
'Rapidly' 通常用於描述物理過程或可觀察的變化速度。對於認知動詞（如 know, understand, believe）或狀態，使用 'quickly' 或 'suddenly' 更為自然。
詞形變化
What are the word forms of "Rapidly"?What are tense/participle forms of "Rapidly"?