究竟

HSK 5
  • Emphasis

Structure (结构 jiégòu)

Subject究竟Verb/Adjective (Object)?

Meaning (意思 yìsi)

Adverb 究竟 is used in questions for emphasis, seeking a definitive answer; it means 'in the end' or 'after all'.

Explanation (解释 jiěshì)

究竟 (jiūjìng) is an adverb used in questions to probe or press for a definitive answer or the true nature of a matter. It conveys doubt, uncertainty, or a desire to get to the truth. It is translated into English as "after all," "in the end," "exactly," or "on earth" (e.g., *what on earth…*).

It commonly appears alongside interrogative pronouns such as , 什么, 哪儿, 为什么, and 怎么. Note that 究竟 is used only in questions, not in declarative sentences.

Examples (例句 lìjù)(5)

  1. 你究竟想说什么?
    繁: 你究竟想說什麼? jiūjìng xiǎng shuō shénme?

    What exactly do you want to say?

  2. 问题究竟出在哪儿?
    繁: 問題究竟出在哪兒?Wèntí jiūjìng chū zài nǎr?

    Where exactly does the problem lie?

  3. 他究竟是谁?
    繁: 他究竟是誰? jiūjìng shì shéi?

    Who on earth is he?

  4. 这件事究竟是怎么回事?
    繁: 這件事究竟是怎麼回事?Zhè jiàn shì jiūjìng shì zěnme huí shì?

    What exactly is going on with this matter?

  5. 你们究竟去还是不去?
    繁: 你們究竟去還是不去?Nǐmen jiūjìng háishì qù?

    Are you going or not?

Common mistakes

  • Wrong:我究竟知道他是个好人。
    Correct:他究竟是不是个好人?

    究竟 is only used in interrogative sentences for inquiry; it is not used in declarative or affirmative sentences.

  • Wrong:我们究竟成功了。
    Correct:我们终于成功了。

    终于 is used to express the result "finally..." after a process; 究竟 is used to ask "what exactly..." or "in the end...".

究竟 | Grammar HSK 5 | KoiSpeak