cide＝to cut（切） 变化型 cise
1 having a particular, important or conclusive effect 有特殊、重要或决定性效果的
*a decisive victory, battle, moment 决定性的胜利、战役、时刻
* The injury to their key player could be a decisive factor in the game. 他们主力队员受伤可能是这场比赛决定胜负的因素.
2 having or showing the ability to decide quickly 果断的; 决断的
*a decisive person, answer, manner 果断的人、回答、方式
* Be decisive tell them exactly what you think should be done! 果断些--确切地告诉他们你认为应该怎么做!
an action, event etc that is decisive has a big effect on the way that something developsdecisive factor/effect/influence etc Women can play a decisive role in the debate over cloning.decisive action/steps We will take decisive steps towards political union with Europe.
someone who is decisive is good at making decisions quickly and with confidence
≠ indecisive a decisive leader a talent for quick decisive action
definite and clear in a way that leaves no doubtdecisive victory/result/defeat etc The answer was a decisive no.>decisivelyadv Yet again, we have failed to act decisively .>decisivenessn[U] military decisiveness the speed and decisiveness of his victory
1. The enemy was defeated in a decisive battle. 敌人在一场决定性的战斗中被击败.
2. I gave him a decisive answer. 我给了他一个明确的答复。