귀감이 돼요 · 귀감이 됐어요 · 귀감이 될 거예요; formal: 귀감이 됩니다
to be a model, to serve as an example
Example
그분의 봉사 정신은 많은 사람들에게 귀감이 됩니다.
His spirit of service is a model for many people.
Word parts
귀 turtle+감 mirror
Turtle shells (used in divination) and mirrors were guides; 귀감 means a model to follow.
Good to know
Pattern: A가 B에게 귀감이 되다 (A sets an example for B).