round on
US /raʊnd ɑːn/
UK /raʊnd ɑːn/

1.
menyerang, mengherdik
to turn on someone suddenly and attack them, either verbally or physically
:
•
She suddenly rounded on him, accusing him of lying.
Dia tiba-tiba menyerangnya, menuduhnya berbohong.
•
The crowd rounded on the speaker after his controversial remarks.
Orang ramai menyerang penceramah selepas kenyataan kontroversinya.