appear and disappear without regularity
Chinese idioms, Pinyin is ch ū m ò w ú ch á ng, meaning to appear and disappear, not certain, people can't understand. It comes from on Guanghai's two bandits.
The origin of Idioms
In Wang Shipeng's on Guanghai's two pirates of Song Dynasty, it is said that "the pirates are always on the verge of Haizhou county."
Idiom usage
Subject predicate type; used as predicate and attribute; with commendatory meaning, used for mysterious people or things. Another mile parallel to the northwest, overlooking the west of the mountain range, it falls down, but is not visible; the east of the mountain range is facing up, but ~. Xu HongZu's travels to Yunnan diary of Xu Xiake in Ming Dynasty
Chinese PinYin : chū mò wú cháng
appear and disappear without regularity
look on at sb . 's trouble with indifference. gé àn guān huǒ
never will there be days of peace. yǒng wú níng rì
The crane is long and the duck is short. hè cháng fú duǎn
rack one 's brains for ingenious devices. qiǎo lì míng sè