SWITCH CONSUMERS OFF关闭电器设备
switch h off关掉;关断;切断
switch power off切断电源;正在翻译;关闭电源
switch it off把它关上
SWITCH IGNITION OFF关闭点火开关
switch-off potential断电电位
Switch HDD off硬盘电源关闭
safety switch-off安全开关
switch sound off关闭声音
PHRASAL VERB（动词词组） If you switch off a light or other electrical device, you stop it working by operating a switch. 用开关关闭
She switched off the coffee-machine.
她关掉了咖啡机。
PHRASAL VERB（动词词组） If you switch off, you stop paying attention or stop thinking or worrying about something. 不再注意; 不再担忧 [非正式]
Thankfully, I've learned to switch off and let it go over my head.
谢天谢地，我已经学会了不再烦恼，把它抛到脑后。