Pronunciation can be a challenge in English. When you hear a new word, it's important to remember the pronunciation. When you read a new word, it's important to learn the pronunciation. Learning the IPA can be useful. This is the alphabet representing sounds. A good dictionary for learners will show you how to pronounce a word using the symbols of the IPA. It's important for learning both UK and US English.
Being patient is key to mastering the pronunciation of words.
Learn to recognise trends in pronunciation.
Below are my recent blog posts on how to learn the pronunication of English as a foreign language, including on how important it is to learn trends.