English rendering loosen supervision Literal translation: “give slack in the rope”
To relax strict supervision and allow a little freedom.
Dictionary example 1
기동 훈련 출동 시간이 훨씬 지났는데도 늑줄을 주는 참인지 집합 명령이 없었다.
Read the meanings, trace, then cover above the masking line and write. Uncover, choose a meaning, and make your own sentence.
Writing text늑줄 주다
Explore the body parts or scenes linked to this idiom.
A silent film that writes the headword and its meaning.
let out a piercing cry To let out an exceptionally shrill sound. 
Drive something home deeply An emphatic expression for causing deep, lasting resentment in another's heart, or stating a fact precisely and clearly. 
Shared · 3 Be trapped with no escape Figuratively, a position from which one cannot escape a predicament. 
Shared · 2 Hold the real authority Have actual authority over an undertaking 
Squirm restlessly Be unable to sit quietly, twisting and moving one’s body about 
Threaten severely Threaten extremely harshly. 
2 meanings Stay entrenched or become a career soldier Remain in a position for a long time 
Use corporal punishment Strike with a switch, club, or the like. 
2 meanings Operate or tackle a deep problem Perform surgery 
2 meanings Wound deeply or make definite Plant a deeply bitter grievance in another person’s heart Browse in Hangul order.
WORDROW Korean Idioms