Meaning of the word "(you) mark my words!" in English

What does "(you) mark my words!" mean in English? Explore the meaning, pronunciation, and specific usage of this word with Lingoland.

(you) mark my words!

US /mɑrk maɪ wɜrdz/
UK /mɑːk maɪ wɜːdz/
"(you) mark my words!" picture

Idiom

used to tell someone to remember what you are saying because you are certain it will happen

Example:
Mark my words, he'll regret that decision.
She'll be famous one day, mark my words!