If a fact, action, or event is decisive, it makes it certain that there will be a particular result.
例句
...his decisive victory in the presidential elections...他在总统大选中取得的压倒性胜利The election campaign has now entered its final, decisive phase...选举活动现在已进入了最后的决定性阶段。
ADJ-GRADED
果断的;决断的
If someone is decisive, they have or show an ability to make quick decisions in a difficult or complicated situation.
例句
He should give way to a younger, more decisive leader.他应该让位于更年轻、更有决断力的领导者。
英英词典释义
Noun
1. the trait of resoluteness as evidenced by firmness of character or purpose;
"a man of unusual decisiveness"
2. the quality of being final or definitely settled;