板上釘釘

简 板上钉钉 · 繁 板上釘釘
Mandarin · pinyin bǎn shàng dìng dīng

Meanings

  1. that clinches it
  2. that's final
  3. no two ways about it
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Characters in this entry

板
bǎn · plank, board; iron or tin plate
上
shàng · top; superior, highest; go up, send up
釘
Look up this written character
钉
dīng · nail, spike; pursue closely
Written characters and their own readings; the entry’s pronunciation is shown above.

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Mandarin tones

3–4–4–1 · ban3 shang4 ding4 ding1

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Compare dictionary sources Wiktionary · 1 sense · 1 Cantonese reading

Rime Cantonese 粵拼

baan2 soeng6 deng1 deng1

Cantonese word readings for 板上釘釘. This lexicon supplies readings, not definitions.

CanCLID contributors · CC BY 4.0 · source & license · Data pack

baan2 soeng6 deng1 deng1

Pleco · CC BY-SA 3.0 · Word reading; meanings not aligned.

Wiktionary English definitions · Chinese section

Independent source senses for this spelling, with usage labels retained. Not matched to the pronunciation above.

phrase

  1. (figurative) sure; certain; without a doubt

Source page · dump 2026-09-02 · Contributors & history

Wiktionary contributors · CC BY-SA 4.0 · source & license · Data pack