정도로 [Intermediate Grammar]

 - 정도로

→ It is added to some kinds of nouns and the modifier of a verb or an adjective-(으)ㄹ'. It means the 'general standard or limit' of an object or a condition.

Example: 

1. 걷지 못할 정도 술에 취했습니다. I got drunk and couldn't walk.

2. 아프지만 결석할 정도는 아니에요.
    I am sick, but I am not sick enough to be absent from school.

3. 중학생정도이면 이해할 수 있을 겁니다.
    It would be understandable for middle school students.