verb / adverb HSK 5
jiū
to investigate · to examine thoroughly · after all · actually

Meaning

means to investigate or study something deeply and thoroughly. As a standalone character, it often appears in formal or literary contexts meaning 'to get to the bottom of' something. It's commonly seen in compounds related to research and inquiry.

Usage

While can stand alone in classical Chinese or very formal writing, modern Mandarin speakers typically use it in compounds like 研 (research), 追 (investigate/hold accountable), or 竟 (after all/actually). The standalone character is less common in everyday speech but appears in formal writing and questioning contexts.

Examples

  1. 01
    这件事我们必须深
    Zhè jiàn shì wǒmen bìxū shēn jiū.
    We must investigate this matter thoroughly.
  2. 02
    他终还是离开了。
    zhōng jiū háishì líkāi le.
    He left in the end after all.

Common collocations

  • shēn jiū
    to investigate deeply
  • jiū
    not to investigate/pursue
  • zhōng jiū
    in the end, after all

Origin

The character originally depicted going deep into a cave (穴) to explore thoroughly, combining the cave radical with a component suggesting depth and thoroughness.

Related