Cut through the iron
Chinese idiom, Pinyin is Ji é Ti ěǎǎ nd ī ng, meaning steadfast, or decisive. It comes from Volume 2 of guzunsu's quotations.
Analysis of Idioms
To be firm
The origin of Idioms
"Guzunsu quotations" Volume 2: "sometimes the clouds and waves, the game is free: sometimes cut the nail, Ji Gan can not."
Idiom usage
It can be used as attribute, adverbial and complement.
Cut through the iron
Goose feather for thousands of miles - qiān lǐ sòng é máo