Meaning of the word "a shut mouth catches no flies" in English

What does "a shut mouth catches no flies" mean in English? Explore the meaning, pronunciation, and specific usage of this word with Lingoland.

a shut mouth catches no flies

US /ə ʃʌt maʊθ ˈkætʃɪz noʊ flaɪz/
UK /ə ʃʌt maʊθ ˈkætʃɪz nəʊ flaɪz/
"a shut mouth catches no flies" picture

Idiom

it is better to stay silent to avoid getting into trouble or making a mistake

Example:
I wanted to argue with the boss, but I remembered that a shut mouth catches no flies.
If you don't want to be quoted in the papers, remember: a shut mouth catches no flies.