Reading, a lot of reading. Read things beyond just what you need, like documentation and other technical works but literature in English. Reading books of antiq

Reading, a lot of reading. Read things beyond just what you need, like documentation and other technical works but literature in English. Reading books of antiquity usually have a few pages, in the beginning, explaining how translators dealt with transforming ancient languages and style to modern English for the contemporary reader. Helpful to observe how discrepancies between languages can be resolved and has helped me expand how I read, speak, and think in English over time.