wander from the subject
As a Chinese idiom, Pinyin is "L ā s ā NCH ě s ì", which means that the conversation or discussion involves irrelevant people or things. From a dream of Red Mansions.
The origin of Idioms
The 46th chapter of a dream of Red Mansions by Cao Xueqin in Qing Dynasty: "if you want to, you can say it. There's no need to talk about it."
Analysis of Idioms
Gossiping
Idiom usage
In a joint way, as a predicate, it refers to a conversation or discussion involving irrelevant people or things. You can't take Jin Feng. You don't have to shout. Cao Xueqin's a dream of Red Mansions in the Qing Dynasty
wander from the subject
know and observe all but stay obscure - zhī bái shǒu hēi
conceal oneself by day and march by night - zhòu fú yè xíng
her willow-leaf shaped eyebrows rose - liǔ méi dào shù
difficult to guess or comprehend - xuán miào mò cè
withdraw from society and live in solitude - yí shì jué sú
riddled with a thousand wounds - bǎi kǒng qiān chuāng