All corners of the country: refers to all parts of the country, and sometimes refers to all parts of the world. The present tense is also a metaphor for broad unity.

Cup bow snake shadow: mistake the bow shadow reflected on the glass for a snake. Metaphor is the fear caused by paranoia.

Nine years and one hair: nine Niu Yi hairs. Metaphor is a very small number in a very large number, which is insignificant.

Up and down: describe panic in your heart.

I hope relatives and friends will adopt it ~ ~