Learn Hardcore Hebrew: קשה לי להבחין בין שני הצבעים האלה, אבל היא התרשמה מיד מהתמונה. - It is hard for me to distinguish between these two colors, but she was immediately impressed by the picture.

Breakdown of קשה לי להבחין בין שני הצבעים האלה, אבל היא התרשמה מיד מהתמונה.

Why is there no separate word for it in קשה לי?

Hebrew often does not use a dummy subject like English it in expressions such as it is hard, it is important, or it is possible.

So:

Hebrew simply starts with the adjective and does not need an equivalent of English it here.

What exactly does לי mean in קשה לי להבחין?

לי is ל־ + אני, meaning to me / for me.

In this kind of sentence, Hebrew uses ל־ to mark the person experiencing the difficulty:

So לי does not mean me as a direct object. It means for me or to me.

Why is להבחין in the infinitive form?