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Jyutping si6 bat1 si6
Pinyin shì bú shì

Definitions (HSK3.0)
  1. HSK3 一级词汇表 #338

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Jyutping si6 bat1 si6
Pinyin shì bu shì ( toneless variant )

Definitions (Wiktionary)
  1. conj
    whether or not
    (syn.) 是否
    • 是不是最近很忙?
      是不是最近很忙?
      shì bù shì zuì jìn hěn máng ?
      Been busy lately?
    • 咱是不是該撤了?
      咱是不是该撤了?
      zán shì bù shì gāi chè le ?
      Shouldn't we get going?
    • 我是不是对你很好?
      我是不是对你很好?
      wǒ shì bù shì duì nǐ hěn hǎo ?
      X
    • 兒子很瘦削,説屁股癢,是不是有蟲了?
      儿子很瘦削,说屁股痒,是不是有虫了?
      ér zǐ hěn shòu xuē , shuō pì gu yǎng , shì bù shì yǒu chóng le ?
      (My) son's gotten skinny, says his bottom is itchy, has he got worms?
  2. intj
    Used other than figuratively or idiomatically: see 是 (shì), 不, 是 (shì).
  3. intj
    isn’t it so? (used as a tag question)

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Jyutping si6 bat1 si6
Pinyin shì bù shì

Definitions (CC-CEDICT)
  1. is or isn't
  2. yes or no
  3. whether or not
Definitions (Wiktionary)
  1. conj
    whether or not
    (syn.) 是否
    • 是不是最近很忙?
      是不是最近很忙?
      shì bù shì zuì jìn hěn máng ?
      Been busy lately?
    • 咱是不是該撤了?
      咱是不是该撤了?
      zán shì bù shì gāi chè le ?
      Shouldn't we get going?
    • 我是不是对你很好?
      我是不是对你很好?
      wǒ shì bù shì duì nǐ hěn hǎo ?
      X
    • 兒子很瘦削,説屁股癢,是不是有蟲了?
      儿子很瘦削,说屁股痒,是不是有虫了?
      ér zǐ hěn shòu xuē , shuō pì gu yǎng , shì bù shì yǒu chóng le ?
      (My) son's gotten skinny, says his bottom is itchy, has he got worms?
  2. intj
    Used other than figuratively or idiomatically: see 是 (shì), 不, 是 (shì).
  3. intj
    isn’t it so? (used as a tag question)
Examples (Tatoeba—Mandarin-English)
  1. Mandarin
    这是不是意味着你不会来了?
    這是不是意味着你不會來了?
    zhè shì bù shì yì wèi zhe nǐ bù huì lái le ?
    • Does that mean you won't come?
  2. Mandarin
    看看我的答案是不是对的。
    看看我的答案是不是對的。
    kàn kan wǒ de dá àn shì bù shì duì de 。
    • See if my answer is correct.
  3. Mandarin
    我不肯定这是不是对的。
    我不肯定這是不是對的。
    wǒ bù kěn dìng zhè shì bù shì duì de 。
    • I'm not sure if this is correct.
  4. Mandarin
    问问他他们是不是还住在东京。
    問問他他們是不是還住在東京。
    wèn wèn tā tā men shì bù shì hái zhù zài dōng jīng 。
    • Ask him whether they still live in Tokyo.
  5. Mandarin
    附近是不是有一间购物商场?
    附近是不是有一間購物商場?
    fù jìn shì bù shì yǒu yī jiān gòu wù shāng chǎng ?
    • Is there a mall near here?
Examples (Wiktionary)
  1. Mandarin
    是不是最近很忙?
    是不是最近很忙?
    shì bù shì zuì jìn hěn máng ?
    • Been busy lately?
  2. Mandarin
    你当了个臭歌女,你还很拽是不是?
    你當了個臭歌女,你還很拽是不是?
    nǐ dāng le ge chòu gē nǚ , nǐ hái hěn zhuǎi shì bù shì ?
    • X
  3. Mandarin
    心已经走了,没有感觉了,是不是我不再爱他了?
    心已經走了,沒有感覺了,是不是我不再愛他了?
    xīn yǐ jīng zǒu le , méi yǒu gǎn jué le , shì bù shì wǒ bù zài ài tā le ?
    • My heart's turned cold, the feeling's gone - is it because I don't love him anymore?
  4. Mandarin
    这样,重工业是不是不为主了?它还是为主,还是投资的重点。
    這樣,重工業是不是不為主了?它還是為主,還是投資的重點。
    zhè yàng , zhòng gōng yè shì bù shì bù wéi zhǔ le ? tā hái shì wéi zhǔ , hái shì tóu zī de zhòng diǎn .
    • Does this mean that heavy industry is no longer primary? No. It still is, it still claims the emphasis in our investment.
  5. Mandarin
    儿子很瘦削,说屁股痒,是不是有虫了?
    兒子很瘦削,説屁股癢,是不是有蟲了?
    ér zi hěn shòu xuē , shuō pì gu yǎng , shì bù shì yǒu chóng le ?
    • (My) son's gotten skinny, says his bottom is itchy, has he got worms?