不規則變化是:  fought
The fiscal crisis has exacerbated the fight .
財政赤字已然惡化了這場鬥爭。
It shows that the fight is lost .
這表明這場戰鬥輸了。
My fight with mark didn 't end there .
我和馬克的爭鬥並沒有到此結束。
But he did not want to fight .
可他並不想去打打殺殺。