defeat 
英 [dɪˈfiːt]  美 [dɪˈfiːt] 
v. 击败；使困惑；使失败，阻挠，挫败

n. 失败；击败，战胜

例句：
His party was defeated in the election. 

他所在的政党在大选中败北。

Liverpool defeated Chelsea 5-2. 

利物浦队以5比2的比分击败了切尔西队。

His guerrillas defeated the colonial army in 1954. 

他领导的游击队在1954年击败了殖民军。

The most important thing is not to admit defeat until you really have to. 

最重要的是，不到万不得已，不要认输。

She was being graceful in defeat. 

即使落败，她仍然很优雅。