punching bag

US /ˈpʌn.tʃɪŋ ˌbæɡ/
UK /ˈpʌn.tʃɪŋ ˌbæɡ/
"punching bag" picture
1.

saco de boxeo, punching bag

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.
Él entrena diariamente con un saco de boxeo para mejorar sus habilidades de boxeo.
The gym has several different types of punching bags.
El gimnasio tiene varios tipos diferentes de sacos de boxeo.
2.

saco de boxeo, chivo expiatorio, blanco de críticas

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.
Se convirtió en el saco de boxeo del equipo después de una serie de derrotas.
The manager used the new intern as a punching bag for all his frustrations.
El gerente usó al nuevo pasante como saco de boxeo para todas sus frustraciones.