shut sth off
stop the supply or flow of (eg gas, steam, water) 停止供应(煤气、 蒸气、 水)
You must shut the gas supply off if there´s a leak. 煤气泄漏时, 必须把截门关上. shut sb/sth off (from sth) keep sb/sth away from sth 将某人[某物]与他物分开或隔开
His deafness shuts him off from the lives of others. 他耳聋阻碍了他与别人的交往.
The village is shut off from the world by lakes and marshes. 这个村子周围有湖泊与沼泽地, 隔断了与外界的联系.