these were very valuable things in history
Jiuding Dalu is a Chinese idiom. Its pinyin is Ji ǔ D ǐ NGD à L ǚ, which means that the metaphor is powerful and heavy. It comes from the biography of Pingyuan Jun in historical records.
Idiom explanation
Jiuding: according to ancient legend, Xiayu cast Jiuding, symbolizing Jiuzhou, which was the treasure of Xia, Shang and Zhou Dynasties; Dalu: the big bell of Zhou Temple.
The origin of Idioms
According to the biography of Pingyuan Jun in historical records, "when Mr. Mao arrived in Chu, he made Zhao more important than Jiuding Dalu."
Idiom usage
As subject, object, attribute; of something important.
these were very valuable things in history
a great ability to rule the country - jīng shì zhī cái
Take advantage of the situation - jiàn kōng héng píng