請輸入想查詢的單字或片語
    Footer
    Download on the App StoreGet it on Google Play

    關於

    • 認識 VoiceTube
    • 學習服務介紹
    • 加入我們
    • 常見問題
    • 熱門搜尋主題
    • 企業英文培訓
    • 社群推廣分潤計畫

    服務總覽

    • 口說挑戰
    • 單字單句本
    • Hero 智能學習
    • Tutor 真人家教
    • Vclass 名師課程
    • Campus 教育版
    • 字典查詢
    • 匯入影片並生成字幕
    • 部落格

    精選頻道

    影片分級

    • A1 初級
    • A2 初級
    • B1 中級
    • B2 中高級
    • C1 高級
    • C2 高級
    隱私權˙條款˙
    ©2026 VoiceTube Corporation. All rights reserved

    know for sure

    US /noʊ fɔr ʃʊr/

    ・

    UK /nəʊ fɔ: ʃuə/

    A1 初級
    phr.片語確定知道
    I don't know for sure if he's coming to the party.

    影片字幕

    聖經系列 I：神的觀念入門！ (Biblical Series I: Introduction to the Idea of God)

    38:29聖經系列 I：神的觀念入門！ (Biblical Series I: Introduction to the Idea of God)
    • And when I'm lecturing, I'm thinking, you know, I'm not trying to tell you what I know for sure to be the case because there's lots of things I don't know for sure to be the case.

      它們會對文明有如此難以置信的影響力

    • And when I'm lecturing, I'm thinking, you know, I'm not trying to tell you what I know for sure to be the case.

      我們也不知道如今不相信它們意味著什麼

    B1 中級

    研究證實「阿嬤」這個生物真的很奇妙！ (Evolution Can't Explain Your Grandma)

    09:31研究證實「阿嬤」這個生物真的很奇妙！ (Evolution Can't Explain Your Grandma)
    • Since the only way to be 100% sure that an offspring is yours is to give birth to it, that means the males of a species might not know for sure how many offspring they actually have.

      由於百分之百確定後代是你的唯一方法就是生下它，這意味著一個物種的雄性可能不確定他們實際上有多少後代。

    B2 中高級

    【看動畫學英文】瑞克和莫蒂的愛情故事 (Rick & Unity's Love Story | Rick and Morty | adult swim)

    12:36【看動畫學英文】瑞克和莫蒂的愛情故事 (Rick & Unity's Love Story | Rick and Morty | adult swim)
    • We'll tell you how you can know for sure.

      我們將告訴你如何確定。

    • We'll tell you how you can know for sure.

      我對此沒有意見，但這顯然意味著我對自己有意見。

    B1 中級

    你的手機會傷害你嗎？電磁波汙染！⚡️ (Could Your Phone Hurt You? Electromagnetic Pollution)

    08:43你的手機會傷害你嗎？電磁波汙染！⚡️ (Could Your Phone Hurt You? Electromagnetic Pollution)
    • In the attention economy we live in, talking about unproven dangers can make us neglect things that we know for sure are bad for us.

      不過其他種類的輻射對於製作晚餐很有用​

    • talking about unproven dangers can make us neglect things that we know for sure are bad for us.​

      而且 如果您在其他地方使用相同的密碼

    B1 中級

    美國總統第三場辯論：希拉蕊·柯林頓 vs. 唐納·川普！ (The Third U.S. Presidential Debate: Hillary Clinton VS Donald Trump)

    37:56美國總統第三場辯論：希拉蕊·柯林頓 vs. 唐納·川普！ (The Third U.S. Presidential Debate: Hillary Clinton VS Donald Trump)
    • Even if you don't know for sure whether they are, do you condemn any interference by Russia in the American election?

      具備最終能夠獲得公民身份的路徑

    • Even if you don't know for sure whether they are,

      儘管你不能肯定他們有沒有做過

    B1 中級

    核能超讚的3大理由！3/3 (3 Reasons Why Nuclear Energy Is Awesome! 3/3)

    04:21核能超讚的3大理由！3/3 (3 Reasons Why Nuclear Energy Is Awesome! 3/3)
    • So while we cannot know for sure if alternative nuclear technology will keep its promises, shouldn't we at least do more research before we forgo an opportunity to solve lots of humanity's current problems?

      相較於其他我們所做的事情，核能是相對乾淨的

    • So while we cannot know for sure if alternative nuclear technology

      就算我們不能保證新的核能科技能夠奏效

    B1 中級

    攝氏華氏大亂鬥？！ (What the Fahrenheit?!)

    05:24攝氏華氏大亂鬥？！ (What the Fahrenheit?!)
    • Well, we'll probably never know for sure because, as an instrument maker, Fahrenheit was very secretive about his methods,

      作為一個天文學家，他習慣把事物分成 60 份。

    • Well, we'll probably never know for sure because

      作為儀器製造商，華氏對他的方法非常保密。

    B1 中級

    永夜前的最後一道光！白矮星與黑矮星的終極奧祕？ (The Last Light Before Eternal Darkness – White Dwarfs & Black Dwarfs)

    06:29永夜前的最後一道光！白矮星與黑矮星的終極奧祕？ (The Last Light Before Eternal Darkness – White Dwarfs & Black Dwarfs)
    • We don't know for sure what will happen with black dwarfs in the end.

      黑矮星將是不活動的恆星，沒有任何多餘的能量去發散

    • We don't know for sure what will happen with black dwarfs in the end.

      將會讓宇宙變得面目全非

    B2 中高級

    【看動畫學英文】《阿甘妙世界》春嬌不知道 TLDR 是什麼意思！ (Mom, TLDR does NOT mean Toilet Doctor! | Gumball - The Web | Cartoon Network)

    04:00【看動畫學英文】《阿甘妙世界》春嬌不知道 TLDR 是什麼意思！ (Mom, TLDR does NOT mean Toilet Doctor! | Gumball - The Web | Cartoon Network)
    • Well, I don't know for sure, but if I had to guess, I would say, offend my grandmother.

      嗯，我也不確定，但如果讓我猜的話，我會說是冒犯了我的祖母。

    • Well, I don't know for sure,

      我的托架

    A2 初級

    白宮裡面到底有什麼？ (What's Inside of the White House?)

    06:09白宮裡面到底有什麼？ (What's Inside of the White House?)
    • We don't know for sure what these other rooms are used for,

      這裡是白宮的客人接待入口；

    • We don't know for sure what these other rooms are used for, but it's neat to see what the floor layout looks like.

      我們不知道其他房間的功用是什麼，但看看樓層的布局也不錯

    A2 初級