so that there is no end [ of our toils
It is a Chinese idiom, pronounced m í Su ǒ D ǐ zh ǐ, which means endless. From the book of songs · Xiaoya · praying for father.
explain
[idiom]: all at one's wits and ends [Pinyin]: m í Su ǒ D ǐ zh ǐ [simplified spelling]: msdz [explanation]: it means there is no end.
allusion
[source]: the book of songs · Xiaoya · praying for father: "Hu Zhuan Yu Ji, exhausted." [example]: Customs tend to be extravagant and licentious day by day. Wang Yongbin's the night talk around the stove in Qing Dynasty
usage
Grammar: used as predicate or attribute; used in writing
so that there is no end [ of our toils
Keep one's salary and maintain one's friendship - chí lù yǎng jiāo
attend all the housework personally - shēn cāo jǐng jiù
look after the masses as if they were injured -- love the people - shì xià rú shāng
no distinction between the noble and base - guì jiàn wú èer
not to breathe a word about a single word - zhī zì bù tí