The two candidates are much of a muchness—it's hard to choose between them.

两位候选人不相上下—很难挑选。

《牛津词典》

We don't know exactly what the readers want, so it's quite hard to choose a widely accepted picture of the food.

我们不知道读者到底想要什么，所以选出一张能被广泛接受的食物图片是相当困难的。

youdao

I am busy with my homework, and I have so many different friends that it is hard to choose just one best friend.

我忙着写作业，而且我有很多不同的朋友，很难选出一个最好的朋友。

youdao

Now since we think that Hannibal, the attacker, is not going to play a weakly dominated strategy, we think Hannibal is not going to choose the hard pass.

好了,既然我们认为入侵者汉尼拔,不会选择弱劣势策略,我们认为汉尼拔不会选择崎岖之途

耶鲁公开课 - 博弈论课程节选

but it's hard because I wouldn't know what to choose.

但是，这很难，因为我不知道该选什么专业。

想开精品店 - SpeakingMax英语口语达人

So this isn't so hard, we know that if I choose Up and there's probability 0 that the other guy is going to choose Right, that's the same as saying I choose Up and the other guy chooses, let's try it again.

这不是很难得,我们知道如果我选上的话,我对手选右的概率就是0,也就是说我选上,我对手会选择,我说错了,重新来

耶鲁公开课 - 博弈论课程节选

It's not hard to choose those moments over a gimmick like a shot clock.

WSJ: A Little Night Tennis, Anyone?

Wary Japanese citizens find it hard to choose which of these arguments to rubbish first.

ECONOMIST: Japan

It's so hard to choose.

WHITEHOUSE: Help for Homeowners in the Hardest Hit States