shut off
1．make（water or electricity）stop coming 切断（水、电）
Please shut off the hose before the grass gets too wet．请及时关掉水管，以免草地太湿。
They have shut off the water sup ply．他们已切断了水源。
2．be apart；be separated from 被隔绝；被隔离
Our camp is so far from the highway that we feel shut off from the world when we are there．我们的营地离公路很远，所以我们在那儿时有种与世隔绝的感觉。
They feel shut off from all human contact on this island． 他们觉得在这岛上与人世隔绝了。
3． separate…from使…隔开
The pig was so bad tempered that we had to shut it off from its young．那头猪脾气很坏，我们只好把它与猪仔分开。
The road is shut off from traffic．此路禁止车辆行驶。