板上钉钉

bǎn shàng dìng dīng

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定義

  1. 1. that clinches it
  2. 2. that's final
  3. 3. no two ways about it

板上钉钉 の構成語

板
bǎn

board

钉
dìng

to join things together by fixing them in place at one or more points

钉钉
dīng dīng

DingTalk, business communication platform developed by Alibaba

上
shàng

on top