It's not over until the fat lady sings means you should not assume something has finished or been decided yet. Even if one side seems to be winning or the result looks clear, the situation can still change.
The phrase comes from opera. In many operas, a large female singer performs a powerful song near the end of the show, and her final song signals that the performance is finishing.
The phrase comes from opera. In many operas, a large female singer performs a powerful song near the end of the show, and her final song signals that the performance is finishing.
Everyone thought the game was already lost, but my dad said it's not over until the fat lady sings.