It's so difficult to cross the road.

过马路太难了。

Bad luck. Why is travel so difficult?

真倒霉。为什么旅行这么困难？

Why is travel so difficult in winter?

为什么冬天旅行这么困难？

And anyway, I think doing chores is not so difficult.

无论如何，我认为做家务并不那么难。

The riddle was so difficult that no one could answer it.

这个谜语太难了，没有人能回答。

Please children, don't be so difficult!

请小朋友们，不要那么难！

I find it so difficult to stay awake during history lessons.

我发现上历史课时很难保持清醒。

The entry is so difficult.

进入提名都那么困难。

Why is prediction so difficult?

为什么地震预测那么困难？

Only a par three?So what makes it so difficult?

才三杆? 那难度为什麽会这麽高呢?。