翻译,有些话在我心里难以表达出来,(千万别翻译错这句..)

There is something hard to express hidden in my heart.

注意：不定代词“something”是单数，be动词用is

There are something deep in my heart that I find impossbile to express.

There are some words in my heart which are hard to express.

Something,in my heart,is hard to express out.

It is hard to express the words in my heart