Definition
To stop behaving as if you are superior to others; to stop being arrogant or condescending.
別自以為是
You'd better come down off your high horse and start listening to my advice.
你最好別再自以為是，開始聽聽我的建議。
He always acts so superior; I wish he would get down off his high horse.
他總是一副高高在上的樣子；我希望他能放下架子。
After having her mistakes pointed out, she finally came down off her high horse and started accepting the criticism.
在錯誤被指出後，她終於放下架子，開始接受批評。