决战的英文：
an all decisive battle

参考例句：

The decisive battle has begun.
决战开始了。

The enemy lost heavily in the decisive battle.
敌人在决战中损失惨重。

The troops poised for a final battle.
部队为决战作好准备。

The credibility of American pledges to risk the decisive battle in defense of allies was bound to come into question
美国愿冒最后决战的风险去保卫盟国的保证，其可信性一定会成为疑问。

At length the final conflict took place between aeneas and Turnus
埃涅阿斯和图努斯终于展开了最后的决战。

all是什么意思：
adj. 一切的，所有的；整个的；各种的
pron. 一切；全部；大家，全体
n. 全部财产；所有一切
adv. 完全地；极其

The policy of burn all,kill all,loot all
三光政策

It is all on the house.
费用全由敝店支付。

(all) in a twitter
(极度) 紧张[兴奋],激动

decisive是什么意思：
adj. 决定性的；关键的

Encouraged by the spirit of the spider, Bruce decied to try again.
受到那蜘蛛精神的鼓舞(鼓励),Bruce决定再试一次.

Such is their decision.
他们的决定就是这样。

A court decision.
判定，判决法庭决议，裁决

battle是什么意思：
n. 战役，战斗；交战；争斗
v. 奋斗，斗争

The Battle is to the strong
强者必胜

join battle with
接战|交战|剧烈争辩|开始比赛

This battle was vividly recorded in the article.
本文生动地记载了这次战役。