It's hard to predict when driver-less cars will be everywhere on our roads.

很难预测无人驾驶汽车什么时候会遍地出现。

youdao

In other words, when it comes to cities—or anything else—it is hard to predict the future.

换句话说，当涉及到城市或其他事物时，很难去预测未来。

youdao

She found she did spend a lot less money because it is incredibly hard to predict how much cash one is going to need—she was forever drawing money out of cashpoints.

她发现自己花的钱确实少了很多，因为很难预测自己需要多少现金，她总是从现金点提款。

youdao

He says the complex nature of the climate systems across Asia makes monsoons hard to predict.

VOA: special.2010.05.25

It's hard to predict, my guess will be the latter.

这很难预料，我猜是后者。

普林斯顿公开课 - 国际座谈会课程节选

It's hard to predict.

现在还不清楚，很难预料。

普林斯顿公开课 - 国际座谈会课程节选

Mostly it is because they are where tactical voting happens, and this is hard to predict.

ECONOMIST: Polls and elections

Whether or not experimental drugs will come to Pfizer's rescue seems hard to predict.

FORBES

The oddities of Japan's party system make it hard to predict what this means.

ECONOMIST: Voters send Junichiro Koizumi a deflating message