Bequeathed hairpin
Yierduozan, a Chinese idiom, is y í ě RDU ò Z ā n in pinyin, which means to describe drinking without leaving a trace. It is the same as "Yi Zan Er". It comes from Zhang Xie number one scholar of Song Dynasty.
The origin of Idioms
In Song Dynasty, the 17th passage of Zhang Xie Zhuangyuan written by Wu Mingshi: "at dawn, the maidservant spared no expense to fight with each other. I can't help laughing when I'm wearing a hairpin and frowning on the swing. "
Idiom usage
Used as an object or attribute; used in writing
Bequeathed hairpin
a wide expanse of mist-covered waters - yān bō hào miǎo
work in full cooperation and with unity of purpose - xié lì tóng xīn