では例文を見てみましょう。

・I want to improve my English.

私は英語が上達したい。

・Mike has really improved at baseball.

マイクは野球がとても上達しました。

・If you continue to play the guitar everyday, you will improve.

毎日ギターを弾き続ければ、上達するでしょう。

今日の会話を見てみましょう。

A. Hey Jane, how is school going these days?

B. It's ok. I'm not doing very well at math though.

A. I'm sorry to hear that. I'm vey good at math, I could help you. If you study with me I'm sure you'll improve.

B. Really? That would be great! Thank you so much.