도통

(not) at all; (not) in the least

Explanation

〔都統〕

1. (not) at all; (not) in the least
No matter how one may try.

2. utterly; entirely
Needless to say, completely.

Examples
도통 먹지 않다
도통 모르겠다
도통 생각이 안 나다

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