a swallow nesting on a canopy
Yanchaomushang, a Chinese idiom, Pinyin is y à NCH á om à sh à ng, which means that the swallow makes its nest on the curtain. It's a very dangerous situation. From Zuo Zhuan, the 29th year of Xianggong.
Analysis of Idioms
Synonyms: flying and dangerous scenes of Yanchao
Idiom usage
Be in a very dangerous situation
Examples
For example, how can Yan Chao be safe for a long time? The 53rd chapter of the romance of Tang history by Cai Dongfan
The origin of Idioms
In the 29th year of Xianggong, Zuo Zhuan, written by Zuo Qiuming in the spring and Autumn period, it is said that "the master is here, just like the nest of Yan on the screen."
a swallow nesting on a canopy
a dried-up well does not have ripples - gǔ jǐng bù bō
discard the dross and select the essential - qù cū qǔ jīng