Be careful
It's a Chinese idiom. Pinyin is n ò NGJ ī NC ā of ǔ, which means to chop with an axe. Extended refers to the carving of works. From "coral hook poetry".
The origin of Idioms
The first volume of coral hook poetry written by Zhang Biao Chen of Song Dynasty: "the chapter is based on implicit heaven and broken carvings. For example, the Xikun style of Yang Danian is not bad, but it's too much to be careful. The so-called seven days leads to chaos and death."
Idiom usage
Used as a predicate or object; used to modify an article, etc.
Be careful
be unable to find the proper approach or order in the whole thing - mō tóu bù zháo
the defects do not obscure the virtue - yú bù yǎn xiá