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Etymology data from Wiktionary via Wiktextract (CC BY-SA 4.0). Chinese character data from the 說文解字, the Taiwan MOE 國語辭典簡編本 (CC BY-ND 3.0 TW) and HSK/TOCFL lists.

Explanations are written by a local model (gemma4) and only published after a verification pass against the cited sources. How it works.

Chinese

心知肚明

/ɕin⁵⁵ ʈ͡ʂɻ̩⁵⁵ tu⁵¹ miŋ³⁵/
to be well aware
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    The phrase describes a state where one's heart and belly are illuminated by clear, bright knowledge.
    The phrase describes a state where one's heart and belly are illuminated by clear, bright knowledge.

    Origin

    The phrase is composed of four characters: 心 (heart), 知 (to know, to understand, or to comprehend), 肚 (belly, abdomen, or bowels), and 明 (bright, light, or brilliant). According to the MOE Dictionary, it describes being very clear in one's heart.

    Individual characters are formed from various components. The character 知 contains the components 大 (big or large), 口 (mouth), and 子 (child). The character 肚 uses 肉 (meat or flesh) as a semantic component and 土 (earth or soil) as a phonetic component. The character 明 is composed of 日 (sun) and components including 囧 (patterned window or brightness), 目 (eye), 田 (farmland), or 月 (moon).

    Confidence: high · written by gemma4:26b, checked statement-by-statement against the sources below.

    這個詞由四個漢字組成。「心」指心臟；「知」意為知道、理解或領悟，其字形包含「大」、「口」與「子」三個部分；「肚」指腹部或腸胃，是由表示肉類的「肉」作為意義組成部分，並以「土」作為聲音組成部分；「明」意為明亮、光亮或燦爛。

    在字形結構上，「明」字包含了「日」、「囧」、「目」、「田」與「月」等組成部分。整個詞彙結合了心、知、肚、明四個字，用來表達內心對某種情況非常清楚的狀態。

    Confidence: high · written by gemma4:26b, checked statement-by-statement against the sources below.

    Lineage

    • characterChinese心 “heart (Classifier: 顆／颗 m; 個／个 c; 粒 mn)”
    • characterChinese知 “to know; to understand; to comprehend”
      • ideaChinese大 “of great size; big; large; huge”
      • ideaChinese口 “mouth, especially the lips and internal mouth cavity (Classifier: 把 c)”
      • ideaChinese子 “child; offspring; descendant”
    • characterChinese肚 “belly; abdomen; bowels”
      • meaningChinese肉 “meat; flesh”
      • soundChinese土 “earth; soil”
    • characterChinese明 “bright; light; brilliant”
      • ideaChinese日 “Sun”
      • componentChinese囧 “patterned window; a clear and bright window; shining, brightness”
      • componentChinese目 “eye (Classifier: 雙／双 mn-t)”
      • componentChinese田 “farmland (Classifier: 塊／块 m c)”
      • ideaChinese月 “moon (Classifier: 輪／轮 m)”
    Wiktionary etymology text

    No etymology text yet. The graph shows what is known from the sources.

    Meanings

    phrase
    1. to be well aware

    國語辭典 definitions

    1. 心裡很明白。 例：事情發生的原因你心知肚明，不用我再多說了。

    © Ministry of Education, Taiwan — CC BY-ND 3.0 TW, shown unaltered.

    Sources

    • etymagent (local gemma4:26b) — Generated
    • 教育部《國語辭典簡編本》 (Taiwan MOE) — CC BY-ND 3.0 TW
    • Written form — n/a
    • Wiktionary (via Wiktextract / kaikki.org) — CC BY-SA 4.0