What does the idiom vertical entrance mean?

Pronunciation of idioms: zòng lǐrǐkǐu

Idiom explanation: vertical direction: horizontal stripes at the corners of the mouth. Superstition is that the stripes on the corners of the mouth enter the mouth, which is like starvation.

The origin of the idiom: History of Yoshioka Houzhou Bo Shi Jia written by Sima Qian in the Han Dynasty: "Xu Fu pointed to his mouth and said,' If there is a vertical entrance, there is no way to starve to death. ”"

Usage of idioms: as object and attribute; Used in written language

Traditional idiom: vertical entrance

Emotional color: neutral idioms

Idiom structure: more formal idioms