head off
US /hed ɔf/
UK /hed ɔf/
1.
攔截, 阻止, 搶先
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.
警方設法在示威者到達大使館前攔截了他們。
•
We need to head off the cattle before they wander too far.
我們需要在牛群走得太遠之前把牠們趕回來。