If something is up in the air, it is undecided and uncertain.

如果某事飘浮在天空，就意味着未定或者是确定。

The races for three House seats are still undecided.

众议院三个席位角逐还没有定。

The race for one Senate seat is still undecided.

一个参议院席位竞选仍未定。

My name is Caroline. I'm currently undecided.

我叫卡罗琳，我目前还没有定主修专业。

But those close to him say he is genuinely undecided about whether to run.

但是他亲信们表示他确实没有定是否继续执政。

The undecided senators will determine whether Senate action can be blocked altogether.

议员们将定参议院行动是否会被完全封锁。

(Another 9 percent of respondents were undecided).

（另有9%受访者拿定主意）。

Opinion polls suggest many voters are still undecided, as Rajini Vaidyanathan reports from Toronto.

民意调查显示，许多选民仍然，请听Rajini Vaidyanathan为您从多伦多发回报道。

If you are sitting " on the fence" about something you are undecided.

如果你对某事“on the fence”，那你就是。

We'll see soon if they were able to make any inroads among those still undecided people.

很快我们就会看到他们在争取未做出定选民上是否能取得进展。

I'm Annabelle and I'm also undecided.

我是安娜贝尔，我也还没定主修专业。

Commentators say undecided voters will have learned little to sway them. Nomia Iqbal is in Washington.

评论人士表示，尚未下定心选民无法从这次电视辩论中得到有用信息。请听诺米亚·伊克巴尔在华盛顿报道。

This undecided voter knows what he wants to see on Thursday.

这位选民知道他周四想看到什么。

Undecided voter Wayne Eastman carried Vance's memoir as he stood in line to see the rally.

选民韦恩·伊士曼在排队观看会时带着万斯自传。

Undecided future voters are less likely to see the Conservatives as the nasty party on gay issues.

未来选民还未确定，但极有可能愿看到保守党在同性恋问题上让其快。

Polls show many Brits are undecided whether to stay or go two months before a crucial vote.

民调显示，现在距离关键公投还有两个月时间，英国民众还没有定是否退欧。

I know that can be hard for people to believe, but there are undecided voters out there.

我知道人们很难相信这一点，但目前仍有选民。

As of Thursday morning, it was still undecided which party will have the House and Senate majorities.

截至周四上午，仍未定哪个政党将获得参众两院多数席位。

Many young African Americans may be undecided now

许多年轻非裔美国人现在可能。

Even so, some understood Netanyahu's prop-heavy presentation to be a lobbying effort directed at a visually oriented-and undecided-President.

即便如此，一些人还是认为内塔尼亚胡大力宣传是一场针对一位以视觉为导向、但尚未做出定总统游说活动。