a cheap shot

US /ə tʃiːp ʃɑt/
UK /ə tʃiːp ʃɑt/
"a cheap shot" picture
1.

tindakan murahan, serangan tidak adil

an unfair or unsporting remark or action, especially one made against a vulnerable person or at an opportune moment

:
His comment about her past mistakes was a cheap shot.
Komennya tentang kesilapan masa lalunya adalah tindakan murahan.
The politician took a cheap shot at his opponent's family.
Ahli politik itu mengambil tindakan murahan terhadap keluarga lawannya.