Che is mostly that. The things that you like. Every time that something happens. Another thing that we have. All those that are translated with che. I bet the pronunciation issue had to do with the open vocals. It takes a decade to learn the sound of another language because they are at a deeper level compared to grammar and words.
Discussion
The sounds are the easy part, imo. 7 vowel sounds versus English 21, roughly.
The actual concept that the word is supposed to represent is hard to find in an equivalent English word/concept