No, it's hard for me.

不，这对我来说很难。

It is hard for me to say no to cakes.

我很难拒绝蛋糕。

I have a sweet tooth and it is hard for me to say no to cakes.

我爱吃甜食，很难拒绝蛋糕。

This problem is too hard for me.

这个问题对我来说太坚硬了。

Nasal congestion makes it hard for me to sleep at night.

鼻塞让我晚上很难入睡。

He runs very fast, and it's hard for me to catch up with him.

他跑得很快，我很难赶上他。

Their voices sound very similar, it's hard for me to tell them apart.

他们的声音听起来很相似，我很难分辨。

And it was hard for me to hold a full tray (盘子) with just one hand.

我很难用一只手拿满满一托盘。

English grammar is hard for me.

英语语法对我来说很难。

I want to paint my bedroom, but it is hard for me to do this by myself.

我想粉刷我的卧室，但是我自己很难做到。