Help with English
Here is an excellent English-only dictionary for students:
The Merriam-Webster Learner's Dictionary
Here is Merriam-Webster's Ask the Editor series of videos about the
English language.
(They have a great sense of humor.)
The Merriam-Webster Video Index
Rachel is a friendly teacher who is SERIOUS about American pronunciation!
Just start with any interesting video. You will find many more....
Rachel's English
This video introduces you to differences in British and
American pronunciation:
British vs American | English Pronunciation Lesson
Here is an interesting on-line British/American glossary:
The BG-Map English (British)-American Dictionary
Here is a pretty good Eng-Hu/Hu-Eng online dictionary with examples:
HungarianEnglishDictionary.com