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Jyutping jat1 ding6
Pinyin yī dìng

Definitions (CC-CEDICT)
  1. surely
  2. certainly
  3. necessarily
  4. fixed
  5. a certain (extent etc)
  6. given
  7. particular
  8. must
Definitions (粵典–words.hk)
  1. 區別詞
    相​當​嘅​,​係​一個​空泛​嘅​講​法​,​通常​會同​「​水準​」​、​「​水平​」​、​「​表現​」​一齊用
    substantial; a certain (level); non-trivial
    • 達到一定水平
      达到一定水平
      daat6 zi3 jat1 ding6 seoi2 ping4
      to reach a fairly high level
    • 給予一定嘅重視
      给予一定嘅重视
      kap1 jyu5 jat1 ding6 ge3 zung6 si6
      to attach due importance to
    • 雖然受咗傷,佢都發揮到一定嘅水準。
      虽然受咗伤,佢都发挥到一定嘅水准。
      seoi1 jin4 sau6 zo2 soeng1, keoi5 dou1 faat3 fai1 dou2 jat1 ding6 ge3 seoi2 zeon2.
      Although he is injured, he performs at a reasonable level.
  2. 副詞
    發​生​嘅​機​會​係​100%
    certainly; surely; necessarily
    • 而家唔出發一定遲到。
      而家唔出发一定迟到。
      ji4 gaa1 m4 ceot1 faat3 jat1 ding6 ci4 dou3.
      If we are not leaving now, we will surely be late.
  3. 副詞
    表示​絕對​,​加強​句子​入​面​嘅​語​氣​,​常用​嘅​有​渴望​、​命令​等等
    to imply certainty to enhance the imperative mood of the sentence
    • 你一定要做功課。
      你一定要做功课。
      nei5 jat1 ding6 jiu3 zou6 gung1 fo3.
      You must complete your homework.
    • 我哋一定要贏。
      我哋一定要赢。
      ngo5 dei6 jat1 ding6 jiu3 jeng4.
      We must win.
    • 你一定唔可以死。
      你一定唔可以死。
      nei5 jat1 ding6 m4 ho2 ji5 sei2.
      You must not die.
Definitions (Kaifangcidian)
  1. (沒有對應漢語詞彙)
Examples (Tatoeba—Mandarin-English)
  1. Mandarin
    到了最后,大家一定要靠自己学习。
    到了最後,大家一定要靠自己學習。
    dào liǎo zuì hòu , dà jiā yī dìng yào kào zì jǐ xué xí 。
    • Everyone must learn on their own in the end.
  2. Mandarin
    我爸爸年轻的时候一定很英俊。
    我爸爸年輕的時候一定很英俊。
    wǒ bà ba nián qīng de shí hòu yī dìng hěn yīng jùn 。
    • My father must have been handsome in his youth.
  3. Mandarin
    我为什么一定要那么做?
    我為什麼一定要那麼做?
    wǒ wèi shén me yī dìng yào nà me zuò ?
    • Why do I have to do that?
    • Why do I have to do it?
  4. Mandarin
    你当值的时候一定要努力工作。
    你當值的時候一定要努力工作。
    nǐ dāng zhí de shí hòu yī dìng yào nǔ lì gōng zuò 。
    • You must work very hard on duty.
  5. Mandarin
    你的对手有四人。你一定会输的。
    你的對手有四人。你一定會輸的。
    nǐ de duì shǒu yǒu sì rén 。 nǐ yī dìng huì shū de 。
    • It's four against you. You'll be beaten up.
Examples (Tatoeba—Cantonese-English)
  1. Cantonese
    同人哋握手嗰阵,一定要有眼神接触。
    同人哋握手嗰陣,一定要有眼神接觸。
    tung4 jan4 dei2 ak1 sau2 go2 zan6 , jat1 ding6 jiu3 jau5 ngaan5 san4 zip3 zuk1 。
    • When you shake hands with somebody, you must look him in the eye.
  2. Cantonese
    我谂你一定好钟意你份工喇!
    我諗你一定好鍾意你份工喇!
    ngo5 nam2 nei5 jat1 ding6 hou3 zung1 ji3 nei5 fan6 gung1 laa3 !
    • I believe you like your job.
  3. Cantonese
    如果你想去美国读书,就一定要申请张学生签证先。
    如果你想去美國讀書,就一定要申請張學生簽證先。
    jyu4 gwo2 nei5 soeng2 heoi3 mei5 gwok3 duk6 syu1 , zau6 jat1 ding6 jiu3 san1 cing2 zoeng1 hok6 saang1 cim1 zing3 sin1 。
    • If you want to study in the United States, you need to get a student visa.
  4. Cantonese
    你哋一定要遵守规则。
    你哋一定要遵守規則。
    nei5 dei2 jat1 ding6 jiu3 zeon1 sau2 kwai1 zak1 。
    • You must conform to the rules.
    • You must comply.
  5. Cantonese
    你一定要帮吓佢。
    你一定要幫吓佢。
    nei5 jat1 ding6 jiu3 bong1 haak3 keoi5 。
    • It is necessary for you to help her.
Examples (粵典–words.hk)
  1. Cantonese
    想做艺人,唔一定要读演艺学院,仲有好多其他方法。
    想做藝人,唔一定要讀演藝學院,仲有好多其他方法。
    soeng2 zou6 ngai6 jan4, m4 jat1 ding6 jiu3 duk6 jin2 ngai6 hok6 jyun2, zung6 jau5 hou2 do1 kei4 taa1 fong1 faat3.
    • To be an artist, you don't have to study in The Hong Kong Academy for Performing Arts. There are many different ways.
  2. Cantonese
    自然嘅嘢唔一定就系好𠺢嘛。
    自然嘅嘢唔一定就係好𠺢嘛。
    zi6 jin4 ge3 je5 m4 jat1 ding6 zau6 hai6 hou2 gaa1 maa3.
    • Being natural does not necessarily mean it is good, am I not right?
  3. Cantonese
    鲜奶嘅运送过程一定要保持冷冻。
    鮮奶嘅運送過程一定要保持冷凍。
    sin1 naai5 ge3 wan6 sung3 gwo3 cing4 jat1 ding6 jiu3 bou2 ci4 laang5 dung3.
    • Fresh milk needs to be kept cold throughout the deliver process.
  4. Cantonese
    乜乜M嗰啲巴士,一定经地铁站㗎。
    乜乜M嗰啲巴士,一定經地鐵站㗎。
    mat1 mat1 em1 go2 di1 baa1 si2, jat1 ding6 ging1 dei6 tit3 zaam6 gaa3.
    • Those bus routes with something something M as the route number must stop at the underground station.
  5. Cantonese
    佢一定唔会钟意你啰。
    佢一定唔會鍾意你囉。
    keoi5 jat1 ding6 m4 wui5 zung1 ji3 nei5 lo1.
    • I really don't think she will like you.
Examples (None)
  1. Cantonese
    肯plan行程嘅男友,一定要mark实佢。
    肯plan行程嘅男友,一定要mark實佢。
  2. Cantonese
    石油价已经好高,加上依家个势,一定会急跌。
    石油價已經好高,加上依家個勢,一定會急跌。
  3. Cantonese
    你睇佢几咁风骚,一定又系过大海赢咗钱。
    你睇佢幾咁風騷,一定又係過大海贏咗錢。