믿는 도끼에 발등 찍힌다
Literal Meaning
Be chopped in the foot by a trusted axe.
Usage
Used to describe a situation of betrayal or the failure of something you believed in.
Korean Equivalent
믿고 있던 일에 실패하거나 믿고 있던 사람이 배반하여 해를 끼침을 이르는 말.
English Equivalent
Stabbed in the back
Russian Equivalent
Доверяй, но проверяй