1.Justice Kagan was an active questioner but did not indicate which way she was planning to cast her presumably decisive vote.
卡根法官提问很积极，但没有表示她将把自己想必具有决定性的一票投给哪一方。
2.That election was not a decisive vote against the LDP, which remained the biggest single party by far.
那场大选并不是投给自民党的决定性反对票，因为该党当时依然是日本第一大党。
3.cast the decisive vote; two factors had a decisive influence.
投了决定性的一票；有两个因素有决定性的影响力。
4.He controls the decisive vote,
他掌握着关键性的一票。