
Change (one's) spots

Translation of "change (one's) spots" into Russian
change (one's) spots
Despite his promises, he couldn't change his spots and continued his old habits.
Несмотря на обещания, он не смог кардинально измениться и продолжал свои старые привычки.
Definitions
To fundamentally change one's character, nature, or behavior, especially when it is believed to be impossible or unlikely. The phrase often implies that a person cannot truly change who they are at their core.