English rendering Still be childish Literal translation: “The scabs have not all fallen off”
Literally, an infant’s cradle-cap scabs have not all fallen from the head; remain immature
Dictionary example 1
아직 딱지가 덜 떨어진 주제에 나에게 이래라저래라 웬 참견이냐?
Read the meanings, trace, then cover above the masking line and write. Uncover, choose a meaning, and make your own sentence.
Writing text딱지가 덜 떨어지다
Explore the body parts or scenes linked to this idiom.
A silent film that writes the headword and its meaning.
Dress oneself up Groom oneself and dress stylishly. 
be tenacious To have extraordinarily enduring, persistent nerve. 
Lose all heart Become discouraged and lose energy 
2 meanings Develop hidden trouble; retain emotional scars Have hidden trouble develop in a matter. 
Be horrified Shudder and have one's hair stand on end at something horrifying. 
develop white skin patches For whitish blotches to appear on the skin. 
turn into body weight For what one eats to become flesh. 
Make grueling efforts Suffer and toil so severely that one’s body becomes emaciated 
Tremble all over Tremble all over through great fear or rage. 
settle down somewhere To make a place one’s base and live there permanently. Browse in Hangul order.
WORDROW Korean Idioms