piece together with difficulty
Pianjiecunfu, a Chinese idiom, Pinyin is pi à NJI à C à NF à, which means to compare the meaning of students' hard work. It's from Wen Xin Diao Long Fu Hui.
The origin of Idioms
In the Southern Dynasty, Liang and Liu Xie's Wenxindiaolong · Fu Hui: "they have different talents and different thoughts, either making the head with Tongwei, or making the piece with cunfu, but there are few people who make Tongzhi, and many people who connect with cunfu."
Idiom usage
They are used as attributives and adverbials.
Examples
His talent and academic ability, there are great people, not by skin Fu, who can be few. Sun Xingyan's preface to the poems of gaomaoshan people in Qing Dynasty
piece together with difficulty
The moon knows the wind, the foundation knows the rain - yuè yūn zhī fēng,chǔ rùn zhī yǔ
one 's actions and manners change with the changes of circumstances - yī lóng yī shé
If there are many soldiers, they will lose - bīng duō zhě bài
Burn incense and sweep the floor - fén xiāng sǎo dì