敲钉钻脚

qiāo dīng zuān jiǎo

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Definitions

  1. 1. to make doubly sure (idiom)

Child Words of 敲钉钻脚

敲
qiāo

to hit

脚
jiǎo

foot

钉
dìng

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

钻
zuān

to drill

钻
zuàn

an auger