punching bag
US /ˈpʌn.tʃɪŋ ˌbæɡ/
UK /ˈpʌn.tʃɪŋ ˌbæɡ/

1.
샌드백, 펀칭백
a heavy bag, usually made of leather or canvas, filled with sand or other material, that is suspended from above and used for punching practice by boxers or other martial artists
:
•
He trains daily with a punching bag to improve his boxing skills.
그는 복싱 기술을 향상시키기 위해 매일 샌드백으로 훈련한다.
•
The gym has several different types of punching bags.
그 체육관에는 여러 종류의 샌드백이 있다.
2.
샌드백, 희생양, 비난의 대상
a person or thing that is repeatedly subjected to criticism, abuse, or attack
:
•
He became the team's punching bag after a series of losses.
그는 연패 후 팀의 샌드백이 되었다.
•
The manager used the new intern as a punching bag for all his frustrations.
매니저는 모든 좌절감을 새로운 인턴에게 샌드백처럼 풀었다.