head off
US /hed ɔf/
UK /hed ɔf/

1.
menghadang, mencegah, menghalau
to prevent someone or something from going in a particular direction by getting in front of them
:
•
The police managed to head off the protestors before they reached the embassy.
Polisi berhasil menghadang para demonstran sebelum mereka mencapai kedutaan.
•
We need to head off the cattle before they wander too far.
Kita perlu menghalau ternak sebelum mereka berkeliaran terlalu jauh.