freeze over
US /friːz ˈoʊ.vər/
UK /friːz ˈoʊ.vər/

1.
membeku, menjadi ais
if a body of water freezes over, it becomes covered with ice
:
•
The pond froze over completely during the cold snap.
Kolam itu membeku sepenuhnya semasa cuaca sejuk.
•
We can go ice skating once the lake freezes over.
Kita boleh pergi meluncur ais setelah tasik membeku.