敲钉钻脚
Traditional form:
敲釘鑽腳
Pinyin (reading):
qiāodīngzuānjiǎo
Definitions:
- to make doubly sure (idiom)
Characters:
- 敲 - to hammer, to pound, to strike
- 钉 - nail, spike
- 钻 - diamond; to bore, to drill, to pierce
- 脚 - leg, foot; foundation, base
Traditional characters: