1. certain and without any doubt
確定的，無疑的
I'm sure I locked the door before leaving.
我確定我離開前鎖了門。
Are you sure about the meeting time?
你確定會議時間嗎？
Sure Meaning（定義、用法、例句與發音）
sure
adjective
快速理解
What does "Sure" mean?What are 2-3 core uses of "Sure"?
形容有把握、確定或可靠的事物。
- 1
確定的
EN: certain or confident about something
翻譯: 對某事有把握或確信
- 2
無疑的
EN: definitely true or correct
翻譯: 肯定真實或正確的
- 3
可靠的
EN: steady and reliable
翻譯: 穩當可靠的
- 4
必然的
EN: certain to happen or be achieved
翻譯: 必定會發生或達成的
小提醒：注意 "sure" 和 "certain" 常可互換，但 "certain" 語氣更強，且更常用於負面情境（如 "certain death"）。
發音（How to Pronounce "Sure" in English）
How to pronounce "Sure" in English?"Sure" US vs UK pronunciation
點擊下方的 US / UK 按鈕可播放發音。
Real-life Examples of "Sure" from YouTube Videos
Why is social media actually dumb.
meiqiii
“and I was like okay, yeah, like sure that could make sense, but it's just like people trying to categorize people and putting people in these very distinct categories”
(1 out of 278)
Definitions（定義）
What are the definitions of "Sure"?How does "Sure" change by context?
2. definitely going to happen or be effective
一定會發生的；可靠的
This is a sure way to succeed.
這是一個確保成功的方法。
He is a sure winner in the competition.
他是這場比賽中穩操勝券的贏家。
3. steady and not likely to fail or make a mistake
穩當的；穩固的
She has a sure hand when painting delicate details.
她在繪製精細細節時手法非常穩當。
His sure footing prevented him from slipping on the ice.
他穩固的步伐讓他在冰上沒有滑倒。
4. used to express agreement or confirmation
（用於表示同意或確認）當然，好的
"Can you help me with this?" "Sure!"
「你能幫我這個嗎？」「當然！」
"Are you coming to the party?" "Sure, I'll be there."
「你會來派對嗎？」「當然，我會到。」
Grammar & Patterns（句型）
What are common sentence patterns for "Sure"?How to make natural sentences with "Sure"?
| Pattern | Meaning | Example |
|---|---|---|
| be sure (that) + clause | 確信、肯定（某事） | I'm sure (that) she will arrive on time. (我確信她會準時到達。) |
| be sure to + V | 務必、一定會（做某事） | Be sure to lock the door when you leave. (你離開時務必要鎖門。) |
| be sure about/of + noun/gerund | 對…有把握、確信 | Are you sure of your answer? (你對你的答案有把握嗎？) |
| make sure (that) + clause | 確保、確認（某事） | Please make sure (that) all the lights are off. (請確認所有的燈都關了。) |
| make sure to + V | 確保、記得（去做某事） | Make sure to call me when you get home. (記得到家時打電話給我。) |
| feel sure (that) + clause | 感覺肯定、確信 | I feel sure (that) we've met before. (我感覺肯定我們以前見過。) |
| sure + noun | 確定的、可靠的 | This is a sure sign of success. (這是成功的可靠跡象。) |
| sure enough | 果然、不出所料 | He said it would rain, and sure enough, it did. (他說會下雨，果然就下了。) |
用法說明
How is "Sure" different from similar structures?What usage mistakes are common with "Sure"?
sure of doing vs sure to do
- sure of doing 強調對自己能力或所處情況的「主觀確信」，主語通常是人，且「doing」的動作由主語發出。
- sure to do 則表示說話者對未來事件「客觀、幾乎必然發生」的預測或推斷，主語可以是人或物。
- 在給予建議或警告時，常用 be sure to do 來表示「務必要做某事」。
- 在表達對自身能力的信心時，則用 be sure of doing。 EN: She is sure of winning the competition with her preparation. 翻譯: 她憑藉充分的準備，確信自己能贏得比賽。
EN:With her preparation, she is sure to win the competition.
翻譯:以她的準備程度來看，她肯定會贏得比賽。
EN:Be sure to lock the door when you leave.
翻譯:離開時務必要鎖門。
EN:He is sure of getting a promotion this year.
翻譯:他確信自己今年能獲得升職。
總結建議
表達對自身能力的信心用「sure of doing」，表示對客觀結果的預測或給予強烈建議則用「sure to do」。
易混淆對比
What is the difference between "Sure" and similar words?How to choose "Sure" vs alternatives?
sure vs certain
「sure」較口語且常用於表達個人信心或同意；「certain」語氣更強烈、更正式，強調基於證據或事實的確定性。
sure vs confident
「sure」側重於對事實或結果的確定性；「confident」強調對自身能力或未來成功的信心。
sure vs positive
「sure」是表達確定性的通用詞；「positive」語氣更強烈、更絕對，近乎毫無疑問。
口語用法
How is "Sure" used in spoken English?What is the spoken vs formal difference for "Sure"?
引述
用於引述或重複他人的話，表示確認或尋求確認。 EN: A: "The meeting is at 3 PM." B: "Sure, 3 PM?" 翻譯: A: "會議在下午三點。" B: "好的，下午三點嗎？"
EN:"You'll send the file today, right?" "Sure, today."
翻譯:"你今天會把檔案寄來，對吧？" "當然，今天。"
語氣強調
用於句首或句尾，加強肯定語氣，有時帶有隨意或安撫的意味。 EN: "Sure, I can help you with that, no problem." 翻譯: "當然，我可以幫你處理那個，沒問題。"
EN:"It'll work out, sure."
翻譯:"事情會解決的，肯定的。"
停頓填充
在思考或組織語言時用作填充詞，類似「嗯」、「那個」。 EN: "What do I think about the plan? Well, sure, it has some good points." 翻譯: "我對這個計畫有什麼看法？嗯，當然，它有一些優點。"
EN:"Sure, I guess we could try that approach."
翻譯:"這個嘛，我想我們可以試試那個方法。"
注意：以上口語用法（尤其是「停頓填充」）在正式書寫或學術文章中應避免使用。
常見短語
What common collocations use "Sure"?What fixed phrases with "Sure" should I remember?
sure thing
interjection / noun phrase
當然；沒問題；確定的事
make sure
verb phrase
確保；確認
for sure
adverbial phrase
肯定地；無疑地
sure enough
adverbial phrase
果然；確實
sure of oneself
adjective phrase
自信的；有把握的
not so sure
adjective phrase
不太確定；有所懷疑
sure bet
noun phrase
十拿九穩的事；穩贏的賭注
常見錯誤
What are common mistakes with "Sure"?Which "Sure" sentences look correct but are wrong?
×I am sure for his success.
✓I am sure of his success.
「sure」後面接事物時，通常使用介系詞「of」或「about」，而不是「for」。
×It is sure that he will come.
✓I am sure (that) he will come. / It is certain that he will come.
「sure」通常以人為主詞（如 I am sure...），描述人的確信。描述客觀事實的「確定」或「肯定」常用「certain」。
×He sure will help you.
✓He will surely help you. / He will certainly help you. / I'm sure he will help you.
「sure」作為形容詞，不能直接修飾動詞。修飾動詞表示「肯定地」應使用副詞「surely」或「certainly」，或改用「I'm sure (that)...」的句型。
×Make sure locking the door.
✓Make sure to lock the door. / Make sure (that) you lock the door.
片語「make sure」後面應接「to + 動詞原形」或「that」子句，而不是動名詞（-ing）。
×I sure he is right.
✓I am sure he is right.
「sure」是形容詞，前面必須有 be 動詞（am, is, are, was, were）或其他連綴動詞。不能單獨將「sure」當作動詞使用。
×Are you sure to go?
✓Are you sure you want to go? / Are you sure about going?
詢問某人對未來行動的確定性時，通常使用「Are you sure (that) + 子句」或「Are you sure about + 名詞/動名詞」的結構，而不是「sure to + 動詞原形」。後者常用於描述客觀推測（如 He is sure to win）。
詞形變化
What are the word forms of "Sure"?What are tense/participle forms of "Sure"?