follow suit without knowing why
The Chinese idiom, Pinyin is ǎ IR é NK à NCH à ng, which means short people crowded in the crowd to see a play. This is a metaphor for not knowing the actual situation and gossiping with others. It comes from Volume 27 of Zhu Zi Yu Lei.
The origin of Idioms
"Zhu Zi Yu Lei" Volume 27: "just like a dwarf watching a play, he laughs when he sees the person in front of him. Although he has never seen it before, he must be funny, so he laughs with him."
Idiom usage
It is used as predicate and attributive to describe ignorance and echoing. Examples are true or false. We need to make it clear. We can't follow others.
Chinese PinYin : ǎi rén kàn chǎng
follow suit without knowing why
dredge for a needle in the sea. dōng hǎi lāo zhēn