come down off (one's) high horse

Traducciones
перестать зазнаваться
It's time for you to come down off your high horse and admit that you were wrong.
Пора тебе перестать зазнаваться и признать, что ты был неправ.
Definiciones
To stop acting as if one is superior to others; to become less arrogant or condescending.