Explain that fifteen buckets of water can't be in the same plane, and it needs to be separated into two floors, and seven+eight = fifteen, which is exactly the number.
Extended data seven ups and eight downs
Pronunciation q and sh dang b ā xi
The definition also says seven ups and downs. Describe a restless mind.
The source Song Zonggao said "The Quotations of Master Da Hui Pujue": "There are seven ups and downs in the square inch; Such as biting pig iron; When there is no taste; Don't retreat. "
Example: The candidates are on tenterhooks, waiting for the result of the election.
synonym
Nervous? [t? n? b? n?] uneasy: uneasy. I am extremely uneasy.
Out: Qing Wu Jianren's "Confused World" Volume 9: "Two people are uneasy after hearing this."
antonym
Take your time? [cóng róng bù pò] Very calm and unhurried.
Out: "Zhuangzi Qiushui": "The minnows travel calmly; It is the joy of fish. "