敲钉钻脚

qiāo dīng zuān jiǎo

คำจำกัดความ

1. to make doubly sure (idiom)

คำย่อยของ 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