정도는

정도는

"정도는" means "to the extent of" or "as much as."

In this sentence, '정도는' indicates a rough amount or approximation of books he aims to read regularly, emphasizing it as achievable.

그는 하루에 책 한 권 정도는 읽도록 노력합니다.

He strives to read about one book a day.

Here, '정도는' expresses a minimal standard or expected level that the speaker wishes the listener to meet concerning knowledge.

이 정도는 너도 알았으면 좋겠어.

I hope you know at least this much.

This usage of '정도는' emphasizes a degree or extent of seriousness perceived by the speaker, contrasting their expectations.

문제의 심각성이 이 정도는 아닐 줄 알았어요.

I didn't think the severity of the problem would be this much.