unwinnable

adj.

不能赢得的，不能取胜的，攻不破的；

1. There are many trends and legacies for which future presidents may come to curse Mr Bush - the ballooning budget deficit, skyrocketing medical costs and costly and unwinnable wars.
   将来的美国总统可能会责怪现任总统布什的许多做法和遗留问题，比如不断膨胀的财政预算赤字，迅猛上涨的医疗费用，耗资昂贵却不能取胜的频繁战争。

An unwinnable fight
The Unwinnable War
Iraq: Winning the Unwinnable War
Unwinnable wars : American power and ethnic conflict
US health care: the unwinnable war against death
Vietnam: The History of an Unwinnable War, 1945-1975
Vietnam: The History of an Unwinnable War, 1945-1975
War in Afghanistan: Illegal, Untenable and Unwinnable
An unwinnable fight: The Hockey Stick and the Climate Wars: Dispatches from the Front Lines by Michael E. Mann
The Right Way to Lose a War: America in an Age of Unwinnable Conflicts