It was bad move on your part to cut off our supply of water.
When he started doing it, they cut off his supplies.
Then we cut off their supply of water, until eventually they were forced to try and break out.
One day, if we ever had to fight against foreigners themselves, they'd simply cut off our supplies.
During the siege both sides tried to cut off the other's supplies.
Moreover, there is little hope of cutting off their supplies.
He wants to, needs to, cut off our last supply of Drive crystal seeds.
If the Japanese could cut off supplies, holding them might not be easy no matter what the actual battle situation looked like.
Against larger numbers he could do little but harass and cut off supplies.
The bridge carried the A597, its collapse cut off supplies of gas to the town.