English rendering wake someone from complacency Literal translation: “wake from sleep”
To awaken someone and make them come to their senses.
Dictionary example 1
그 사람의 확신에 가득 찬 말과 행동은 안일함에 빠져 있던 많은 사람의 잠을 깨우기에 충분한 것이었다.
Read the meanings, trace, then cover above the masking line and write. Uncover, choose a meaning, and make your own sentence.
Writing text잠을 깨우다
Explore the body parts or scenes linked to this idiom.
A silent film that writes the headword and its meaning.
Get a brief sleep Close one's eyes and sleep briefly. 
Shared · 2 Fall deeply asleep Fall deeply asleep. 
not even dream of it To be unable even to conceive of something. 
Never even dream of it Not think of something at all 
Dream big, absurdly so Sarcastically express that one's hope is too great to be realizable. 
Haunt one's dreams Appear in dreams because one cannot forget. 
never imagine even in a dream To be utterly unable to imagine something. 
Never have considered it Never have thought of something even once 
Give up unrealistic hopes Lower or abandon one's hopes. 
2 meanings wonder whether it is a dream An expression for being at a loss when faced with a completely unexpected event. Browse in Hangul order.
WORDROW Korean Idioms