to cast pearls before swine
[cast|throw] {one's} pearls before swine
to cast pearls before swine
01
돼지 목에 진주, 고마움 모르는 사람에게 애쓰기
to do good things and waste valuable resources for ungrateful people
관용구
예시들
Helping him again would just be casting pearls before swine.
그를 또 돕는 건 돼지 목에 진주야.



























