How to say "short mouth" in Korean

Today, eh! There is such an expression in Korean? I'd like to talk about a Korean expression that surprised me.

It's called "입이 짧다" (Ivicaㇽ word used at sentence-end (like a particle) to indicate speculation, volition or invitation).

The literal translation is "short mouth.
You don't often hear this expression in Japanese.

It is an expression used to describe people who are picky about food.

Autumn is a season of delicious food!
Let's eat everything in good balance and try to build a healthy body that will not be defeated by illness.