I'm Chinese ,an English learner (= and I'm still a Beginner , don't know much about English .
Here ,I'm going to post one problem I meet .
When I was watching youtube ,
I heard pronounced Twenty like twen-dy , Seventyfive like seven-ni five .
I don't know if I have heard well .
Hope that someone can give me a solution .
Or give me some suggestions about how to learn English Pronunciation .