正是 (zhēng) — まさに、正確に (同一性、時間、理由を強調するのに使われる)

定義

正是 is an emphatic "exactly / precisely" used to confirm identity, timing, or reason (正是时候 = "just the right moment"). It highlights a match — not a correction like "actually."

verb
まさに、正確に (同一性、時間、理由を強調するのに使われる)

例文

  • Zhè zhèng shì wǒ men yì zhí zài zhǎo de nà běn shū.
    This is exactly the book we've been looking for.
  • Zhèng shì yīn wèi tā de bāng zhù, wǒ men cái néng àn shí wán chéng.
    It is precisely because of his help that we could finish on time.
  • Zuó tiān lái de nà wèi xiān sheng, zhèng shì lǐ jiào shòu.
    The gentleman who came yesterday is exactly Professor Li.

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