Picking up weeds
It is a Chinese idiom. Pinyin is B ì sh í D ì Ji è, which means metaphor is easy to get.
Words and phrases
Chinese PinYin : bì shí dì jiè
Picking up weeds
good writings make people copy them. luò yáng zhǐ guì
Golden rules and jade sentences. jīn zhāng yù jù
make a careful and detailed analysis. tiáo fēn lǚ xī