to be falsely taking part in the discussions
Self interpretation, Chinese idiom, Pinyin is Z ì Zu ò Ji ě R é n, meaning people who don't know their true meaning and make random comments. It comes from a new account of the world literature written by Liu Yiqing of the Southern Song Dynasty.
Idiom explanation
A person who makes a fuss without knowing what he really means.
The origin of Idioms
Liu Yiqing of the Southern Song Dynasty wrote in the book Shishuoxinyu · Literature: "it's not only able to speak but also able to understand people."
Idiom usage
Subject predicate type: refers to making random comments.
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to be falsely taking part in the discussions
not to cast away anything , big or small - xì dà bù juān
are too numerous to inscribe on all bamboo strips - qìng zhú nán shū
blot out the sky and cover the sun - zhē tiān bì rì