If you're travelling by car, ask whether there are parking facilities nearby.

如果你开汽车旅行，问问附近是否有停车设施。

《柯林斯英汉双解大词典》

If you are in any doubt as to whether you should be doing these exercises, consult your doctor.

如果你拿不准是否应进行这种锻炼，咨询一下医生好了。

《牛津词典》

They were asked to predict whether they'd enjoy the commute more if they conversed with other people.

他们被要求预测如果与他人交谈，他们是否会更享受通勤。

youdao

Whether that result is positive or if is a flat result or something in between - something that we're not quite sure what it is - it is the first ever anti-retroviral containing product.

VOA: standard.2010.07.15

So if you're curious this one I'm gonna kill off - because it will take a little while-- you'll find that available on the cloud if you'd like to experiment whether or not you're doing that edition or the other.

由于时间关系，我就现将其关闭,如果大家觉得好奇-,可以自己尝试一下,不管你是否选择将这个版本作为,实验内容。

哈佛公开课 - 计算机科学课程节选

See if you can determine how many chords we have here--whether we have a chord change.

看看你能不能听出这里面有多少有多少和弦，是否有和弦的转变。

耶鲁公开课 - 聆听音乐课程节选

Many people want to know whether -- if you expected so much anti-American sentiment in the Islamic world.

WHITEHOUSE: The White House

One who is wondering whether to stay in teaching - and whether to move, if he does so - is Paul Whiting.

BBC: Teachers angry at pay 'freeze'

Does the administration have a position on whether Greece -- if Greece decides to pull out of the eurozone?

WHITEHOUSE: Press Briefing by Press Secretary Jay Carney,