Maths is difficult for Betty.

数学对贝蒂来说很难。

It's difficult for them to adapt to the changes.

它们很难适应这些变化。

I'm not sure, but I think it might be too difficult for me.

我不确定，但我觉得这对我来说可能太难了。

It's difficult for parents with young children to use public transportation.

有小孩的父母使用公共交通很困难。

This subject is too difficult for me.

这个题目太难了，我不会做。

This problem is too difficult for me.

这个问题对我来说太艰难了。

The grammar test was difficult for me.

语法考试对我来说很难。

This task is difficult for me to complete.

这个任务对我来说很难完成。

It's very difficult for me to stay focused.

对我来说很难保持专注。

The quiz was surprisingly difficult for everyone.

这个小测验对每个人来说都出乎意料地难。