entirely unrelated
Indifference is a Chinese idiom, pronounced m ò B ù Xi ā nggu ā n, which means that there is no connection between them.
explain
Describe each other as having nothing to do with each other.
source
But between Zhu Si, the string song is self like, one if also. (Yan Fu's Three Guarantees)
entirely unrelated
prevent against the evils from extending their influence - wéi huǐ fú cuī
strike the eye and rouse the mind - hài mù jīng xīn
help others at one's own expense - sǔn jǐ lì rén