一败涂地，汉语成语，意思是彻底失败，形容失败到不可救药的地步，可以翻译为suffer a big [final/crushing] defeat; fall to the ground，或用英文俗语meet ones Waterloo表示，意思是to experience a final and resounding1 defeat.。
例句：
他的改革一败涂地。
His reform collapsed2 all around him.
弱队在冠军赛中一败涂地，以17:1输给了联赛中最好的球队。
The underdog team met their Waterloo in the championship game and lost to the best team in the league 17-1.