round on
US /raʊnd ɑːn/
UK /raʊnd ɑːn/
1.
se retourner contre, attaquer
to turn on someone suddenly and attack them, either verbally or physically
:
•
She suddenly rounded on him, accusing him of lying.
Elle s'est soudainement retournée contre lui, l'accusant de mentir.
•
The crowd rounded on the speaker after his controversial remarks.
La foule s'est retournée contre l'orateur après ses remarques controversées.