English rendering Have long experience Literal translation: “One's small bones grow thick”
Become familiar with work through spending a long time in a particular place or workplace.
Dictionary example 1
그는 공사판에서 잔뼈가 굵은 사람이다.
Read the meanings, trace, then cover above the masking line and write. Uncover, choose a meaning, and make your own sentence.
Writing text잔뼈가 굵다
Explore the body parts or scenes linked to this idiom.
A silent film that writes the headword and its meaning.
petition for retirement For an elderly courtier to ask the king for permission to relinquish office and retire. 
Be weighed down by a burden Have responsibilities or loads so heavy that one's ribs might bend. 
be weighed down by a burden For responsibilities or burdens to be so heavy that one’s ribs might bend. 
have a basic framework in place For a basic outline and framework to be formed when creating something. 
Be gravely ill For an illness to become extremely deep-seated 
Be deeply lodged in one's heart Remain unforgettable and deeply lodged in one's heart. 
be deeply ingrained For a thought or feeling to become deeply lodged in one’s heart so that it cannot escape. 
Shared · 2 Cut to the marrow An emphatic expression for resentment, pain, or the like being so deep and strong that it seems to penetrate one’s bones 
Shared · 4 Remember indelibly An emphatic expression for firmly remembering something in one's heart so as not to forget. 
Be chilled to the bone Feel a tingling chill deep in one’s bones from cold Browse in Hangul order.
WORDROW Korean Idioms 