잘못하다

Etymology
.

Verb

 * 1)  to err; to make a mistake; to do something improperly or incorrectly
 * 2)  to do something wrong

Usage notes

 * It is very commonly confused with other constructions with the same constituents.


 * When used intransitively in certain inflected forms such as 잘못했습니다, this can also have the meaning "I'm sorry."