it's not over until the fat lady sings

釋義

1. 最後才能見輸贏；不到最後，結果難料

   used for saying that a situation may still change, for example that a contest, election, etc. is not finished yet, and sb still has a chance to win it

同一詞條的短語

• fat chance
• a fat lot of good, use
• chew the fat
• live off the fat of the land