know something of everything but not everything of something
The five skills of the Chinese parasol are many but not excellent, which are useless in the matter. It comes from Xunzi's persuasion.
Idiom: Wuji
Pinyin: an analysis of idioms w ú sh ǔ w ǔ J ì
The Chinese parasol is poor in skills
Usage: as an object; refers to limited ability
Source: Xunzi's persuasion: "the snake flies without feet, and the rat is poor with five skills."
know something of everything but not everything of something
but it is all overgrown with rank grass - jū wéi mào cǎo
Opportunity is not lost, it will never come again - jī bù kě shī,shī bù zài lái
be so dark that nothing is discernible - hēi tiān mō dì
annex and absorb weak countries - jiān ruò gōng mèi
lead one into the interesting part of sth. - yǐn rén rù shèng
tell in a simple, straightforward way - píng pū zhí xù