debacle
n
(a) sudden and complete failure; fiasco 突然的大失败; 惨败
His first performance was a debacle
the audience booed him off the stage. 他的首场演出一败涂地, 观众发出嘘声把他轰下了台.
(b) retreat by beaten troops who run away scared and in disorder 败军在慌乱中的溃逃
Many men were shot or captured in the debacle. 败军在溃逃时有很多人被击毙或俘虏.