look daggers at
US /lʊk ˈdæɡərz æt/
UK /lʊk ˈdæɡərz æt/

1.
menatap tajam, melotot dengan marah
to look at someone with great anger
:
•
She would always look daggers at him whenever he spoke.
Dia selalu menatapnya dengan marah setiap kali dia berbicara.
•
The teacher looked daggers at the noisy students.
Guru itu menatap tajam para siswa yang berisik.