Here is visual list of most common words in English that are pronounced totally wrong intentionally due to lack of proper English accent. Well these words are used in day to day conversation and can mean a lot if you are having conversation with person who might a level higher than you, in that case you are going to look a dumb ass.
So I won't say you are wrong as the way words look it should pronounce the way you might be doing it right now, but still few words are out of the box and need to be finished the way they has to go. So see all the images below.
Most Common English Words Pronounced Wrong
Now get used to these actual pronunciation and get your speaking clean, hope you enjoyed this post, have fun and do comment if you think something is fishy.