形容做事不細心、疏忽大意，或態度隨意、不擔心的狀態。
疏忽的；粗心的
EN: not paying enough attention to what you are doing, so that you make mistakes
翻譯: 指做事不夠專注或細心，導致犯錯。
隨意的；不擔心的
EN: done or said without much thought or concern; showing a lack of worry
翻譯: 指言行未經深思或表現出不在乎、不擔憂的態度。
草率的；不精確的
EN: done without enough care or attention to detail; not accurate or thorough
翻譯: 指做事馬虎、不注重細節，結果不夠精確或完整。
不經意的；無心的
EN: not intentional; done without thinking
翻譯: 指非故意、未經思考而做出的行為或言論。
小提醒：注意 'careless' 不只是「粗心」，也常形容一種隨性、不擔憂的態度，不一定全是負面意思。
點擊下方的 US / UK 按鈕可播放發音。
Real-life Examples of "Careless" from YouTube Videos
暫無 YouTube 示例，重新生成該詞頁可自動補上 1 條。
1. not giving enough attention or thought to what you are doing, so that you make mistakes
粗心的，不小心的，疏忽的
A careless mistake in the report cost the company a lot of money.
報告裡一個粗心的錯誤讓公司損失了一大筆錢。
He was careless and left the door unlocked.
他太不小心了，沒鎖門就離開了。
2. done or said without enough thought or attention, resulting in harm or offense
輕率的，欠考慮的（言行）
She regretted her careless remarks as soon as she said them.
她一說完那些輕率的話就後悔了。
His careless driving caused the accident.
他魯莽的駕駛導致了這場事故。
3. showing a lack of real interest or concern; casual
漫不經心的，隨意的
He gave a careless shrug when asked about the problem.
被問到那個問題時，他只是漫不經心地聳了聳肩。
There was a careless elegance in the way she dressed.
她的穿著有一種隨性優雅的風格。
4. free from anxiety; untroubled
無憂無慮的，輕鬆自在的
They spent a careless summer by the lake.
他們在湖邊度過了一個無憂無慮的夏天。
He had the careless confidence of youth.
他擁有年輕人那種輕鬆自在的自信。
| Pattern | Meaning | Example |
|---|---|---|
| be + careless | 是粗心的 | He is careless with his work. (他對工作很粗心。) |
| careless + noun | 粗心的… | That was a careless mistake. (那是個粗心的錯誤。) |
| careless + about + noun/gerund | 對…粗心大意 | She is careless about her appearance. (她對自己的外表很隨便。) |
| careless + with + noun | 對待…很粗心 | Don't be careless with other people's money. (對別人的錢不要粗心大意。) |
| It is careless of + someone + to + verb | 某人做…很粗心 | It was careless of me to leave the door unlocked. (我沒鎖門真是太粗心了。) |
| a careless + attitude/remark | 一種漫不經心的態度／一句輕率的話 | His careless remark offended many people. (他那句輕率的話冒犯了很多人。) |
EN:It would be careless to leave the door unlocked in this neighborhood.
翻譯:在這個社區不鎖門會很粗心。
EN:His careless handling of the chemicals caused the spill.
翻譯:他處理化學品時的粗心導致了外洩。
EN:It was careless of him to handle the chemicals without gloves.
翻譯:他不戴手套就處理化學品，這很粗心。
描述已發生的具體粗心行為用 careless doing，評論行為本身或進行一般性告誡時則用 careless to do。
careless vs carefree
「careless」強調因粗心大意而導致錯誤或疏忽；「carefree」則描述無憂無慮、輕鬆愉快的心境，沒有負面含義。
careless vs negligent
「careless」指一般的粗心大意；「negligent」則更嚴重，常指在法律或職責上因疏忽而未能履行應盡的責任。
careless vs reckless
「careless」指因不注意而犯錯；「reckless」則指完全不顧後果、魯莽輕率，通常帶有更危險的意涵。
用於引述或轉述他人對某事的輕率態度或評論。 EN: He was just like, "Oh, that's careless," when he saw the mistake. 翻譯: 他看到錯誤時就說：「喔，那也太粗心了。」
EN:She called my approach "a bit careless" in her feedback.
翻譯:她在回饋中說我的做法「有點粗心」。
在口語中，常與副詞連用以加強或緩和語氣，表達不同程度的批評。 EN: That was incredibly careless of you to leave the door unlocked. 翻譯: 你沒鎖門，這真的非常粗心。
EN:It was just a careless mistake, don't worry too much about it.
翻譯:那只是一個不小心的失誤，別太擔心。
在組織想法或短暫停頓時，用來描述一個已發生的疏忽行為。 EN: So I was a bit careless, and now I can't find my keys. 翻譯: 所以我有點不小心，現在找不到鑰匙了。
EN:It was... careless, I admit, to forget the appointment.
翻譯:我承認……忘了約會是粗心的。
正式寫作注意：在正式或學術寫作中，建議使用更精確的詞彙（如negligent、inattentive、reckless）來描述疏忽的程度與性質，以提升文章的嚴謹度。
careless about
be careless about something
對某事粗心大意、不在意
careless with
be careless with something
對某物（尤指金錢、物品）使用不謹慎、隨意
careless driver
careless driver
粗心大意的駕駛者
careless mistake
careless mistake
粗心造成的錯誤
careless remark
careless remark
輕率的言論、未經思考的評論
careless whisper
careless whisper
輕率的耳語（亦為著名歌曲名）
careless disregard
careless disregard for something
對某事毫不在乎、漠不關心
×He is a careless driver, so he always drives careful.
✓He is a careless driver, so he always drives carelessly.
The adverb 'carelessly' is needed to modify the verb 'drives'. 'Careful' is an adjective and cannot modify a verb.
×He made a careless mistake because he was careless of the details.
✓He made a careless mistake because he was careless about/with the details.
The correct preposition after 'careless' when referring to something specific is usually 'about', 'with', or 'in'. 'Careless of' is used in a more general or formal sense (e.g., 'careless of the consequences').
×It was careless of him to left the door unlocked.
✓It was careless of him to leave the door unlocked.
After the structure 'It is/was + adjective + of + someone', the infinitive form (to + base verb) must be used.
×His careless attitude caused the accident. He is a carelessness person.
✓His careless attitude caused the accident. He is a careless person.
'Carelessness' is a noun. The adjective form 'careless' must be used to modify the noun 'person'.
×Don't be careless on your homework.
✓Don't be careless with your homework.
When describing being negligent in handling or doing something, the preposition 'with' is typically used with 'careless'. 'On' is incorrect in this context.
×I feel careless today and lost my keys.
✓I was careless today and lost my keys.
'Careless' describes a behavior or state of being, not a temporary emotion like 'happy' or 'sad'. It is more accurate to use 'be' or 'act' careless rather than 'feel' careless.