Think in English
This is an amazing idea to learn this language as quickly as possible.
Write down every finding
When we found a new word or phrase, write it down and find its definition. The real work here is when you make an effort to jot down every new word or phrase in a paper.
Increasing Confidence level
After that, you will start telling yourself that you remember it when you write it in a paper. This will help you not too worried about forgetting every word that you have learned.