Keep a cold eye on
In Chinese, Pinyin is l ě ngy ǎ NJ ì NGK à n, which means to observe calmly and carefully from the side. It comes from Xu Yin of Tang Dynasty.
Idiom usage
Used as a predicate or object; used in dealing with affairs
The origin of Idioms
Xu Yin of Tang Dynasty wrote in Shanglu San Shi Yi Yan Jian Zhu: "when you are in danger, you will be tired of the medicine of gods. You are confused and suspicious. It's ridiculous to speak frankly and coldly, but it's unjust to think and say."
Idiom explanation
To observe calmly and carefully from the side.
Chinese PinYin : lěng yǎn jìng kàn
Keep a cold eye on
ask doubtful questions and inquire into difficult problems. zhì yí wèn nàn