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

1.
samsak, karung tinju
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.
Dia berlatih setiap hari dengan samsak untuk meningkatkan keterampilan tinjunya.
•
The gym has several different types of punching bags.
Gym memiliki beberapa jenis samsak yang berbeda.
2.
sasaran kemarahan, kambing hitam, objek kritik
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.
Dia menjadi sasaran kemarahan tim setelah serangkaian kekalahan.
•
The manager used the new intern as a punching bag for all his frustrations.
Manajer menggunakan karyawan magang baru sebagai sasaran kemarahan untuk semua frustrasinya.