memorize words
Memorizing words is one of the effective ways to improve English. Although you may not need it at ordinary times, you can practice English and master various professional and complex vocabulary by reciting.
Exchange; connect
Making a few foreign friends is also one of the effective ways to improve English. You can go out to play with them and improve your spoken English. If there is a college nearby, such as Berkeley and UC? There are many students in the church near Berkeley. You can try to communicate with them. The church in China may be easier to accept, but if you go to a foreign church, you can also challenge yourself.