An iron eye
The Chinese idiom, Pinyin is y ǎ nzh ō ngy ǒ UTI ě, which means to refer to the military facelift. From Zizhi Tongjian, the fifth year of Tianjia of Chen Shizu.
Idiom explanation
It's a metaphor for a military makeover.
The origin of Idioms
"Zizhi Tongjian · the fifth year of Tianjia of Chen Shizu" says: "in spring, the first month, Geng Shenshuo, Qi Zhu ascended the North City, and his military capacity was very neat. Turks blame the Zhou people and say, "your words are in disorder, so come to attack them: there is iron in the eyes of the Qi people today. How can you be right?"
Idiom usage
It means strict discipline.
An iron eye
depending on the superficial comprehension to make an appraisal of profound truth - yǐ shēng liáng dàn
The commandment to stop weaving - duàn zhī zhī jiè
add a beautiful thing to a contrasting beautiful thing - jǐn shàng tiān huā
Climbing the toad to win the laurel - pān chán shé guì
Cover up the past and promote the good - yǎn guò yáng shàn