He would vote against it on principle.

他会依据原则投票反对它。

《柯林斯英汉双解大词典》

I urge the house to vote against the motion.

我呼吁参加辩论的诸位投票反对这项动议。

《牛津词典》

"You mean he's going to vote against her?" Scobie asked in surprise.

“你的意思是他将投票反对她？”斯考比惊讶地问道。

《柯林斯英汉双解大词典》

Will you not vote for the killer if you already feel the cold steel of his gun against your head?"

VOA: special.2009.10.02

If I choose 1 against 3, what share of the vote do I get?

如果我选立场1,对手选立场3,我能获得多少选票

耶鲁公开课 - 博弈论课程节选

From here on down, if I bothered to do it, we'd find that choosing 3 always gets me 5% more of the vote than I would have had from choosing 2, against any of these higher numbers.

如果我不怕麻烦 我能一直这么写下去,我们发现选择立场3总是比选择立场2,使我多获得5%的选票,在对手选更靠后的立场的情况下

耶鲁公开课 - 博弈论课程节选

He was the only Senate Republican to vote against going to war in Iraq, the only Senate Republican to vote against the nomination of Samuel Alito to the Supreme Court, and he is a regular vote against the Bush tax cuts.

NPR: A Super Tuesday for Lincoln Chafee

In a democracy, if people are proposing a law you don't like, you criticize it, you argue against it, you campaign against it, you vote against the politicians who support it.

CNN: NRA's paranoid fantasy flouts democracy

Erdogan has been very clever about creating a theater of crisis in which a vote against him meant a vote for military coups, Israeli influence, American imperialism or headscarf bans or somesuch.

FORBES: Magazine Article