一敗涂地，漢語成語，意思是徹底失敗，形容失敗到不可救藥的地步，可以翻譯為suffer a big [final/crushing] defeat; fall to the ground，或用英文俗語meet ones Waterloo表示，意思是to experience a final and resounding^{1 defeat.。}

例句：

他的改革一敗涂地。

His reform collapsed^{2 all around him.}

弱隊在冠軍賽中一敗涂地，以17:1輸給了聯賽中最好的球隊。

The underdog team met their Waterloo in the championship game and lost to the best team in the league 17-1.