too trivial to talk about
Xiaoxiaojue, a Chinese idiom, Pinyin is Xi ǎ oxi ǎ ob ù y á n, which means subtle and not worth mentioning. It's from officialdom.
The origin of Idioms
The 44th chapter of Li Baojia's officialdom in Qing Dynasty: "I'll be honest with you: I will not pursue the things that we care for each other, leave our faces, and say nothing."
Idiom usage
It is not worth mentioning. This is a small and self-evident thing. Why mention it again.
Chinese PinYin : xiǎo xiǎo bù yán
too trivial to talk about
Destroy the square and turn the circle. huǐ fāng tóu yuán
ancient trees tower to the skies. gǔ mù cān tiān