定局的英文：
finality
finalize

参考例句：

The success or failure of the plan was balanced on a knife-edge.
计划的成败尚未定局。

Fraught with uncertainty or doubt; undecided.
未定局的充满不定或怀疑的;未决的

The committee's decision often rides on the chairman's vote.
委员会的决策往往靠主任委员的一票定局。

Richard Nixon resigned a step ahead of his certain impeachment in the Water-gate scandals
理查德·尼克松的引咎辞职，只不过在因水门事件而遭到弹劾的定局到来之前先走了一步。

finality是什么意思：
n. 最后,定局,终结

This is the final paper.
这是最后一版的报纸。

The book can finally be published after revision and finalization.
经过删定，这本书终于可以出版了。

He finally surfaced at midday.
他终于在中午时醒过来了。

Finally she drifted into sleep.
最后她不知不觉地睡着了。

The police finally cornered the thief.
警察最后把盗贼逼得走投无路。

finalize是什么意思：
v. 最后确定；完成

This is the final paper.
这是最后一版的报纸。

The book can finally be published after revision and finalization.
经过删定，这本书终于可以出版了。

He finally surfaced at midday.
他终于在中午时醒过来了。

Finally she drifted into sleep.
最后她不知不觉地睡着了。

The police finally cornered the thief.
警察最后把盗贼逼得走投无路。