1. 我電腦(筆電/平板)當掉/壞了：句. my desktop (laptop/tablet) crashed/broken down/is broken/is down/is dead/is frozen/is running down/doesn’t work; 慣. on the fritz/blink; out of order; 俚/口. bite the dust (壞掉; 死掉)
〔例句〕Our office photocopier is on the fritz. No matter what device you’re using now, desktop, laptop or tablet, you cannot make a printing or photocopy job now. It won’t be fixed until tomorrow.
2. 重開機(電腦)：動. (to) reboot/restart
〔例句〕Afterwards, whenever your computer freezes like this, you shall adopt correct steps to reboot it, rather than shutting it down directly.
3. 開/關(燈/電視/冷氣)：片. turn/switch on (the light/TV/air-con=air conditioner); 反ó turn/switch off; shut down
〔例句1〕The first and last employee who arrive at and leave the office must be responsible for turning the power on and off.
〔例句2〕It’s hot. Could you turn up the air-condition.
〔例句3〕It’s getting late. Please turn down the TV volume. Or we’ll be reported to the police for making the noise.
4. 我手機沒電了：慣. my (cell)phone’s battery is dead/running out of battery; 俚/口. my phone is out of juice.
〔例句〕Sorry that my phone is running out the battery. So stop blaming me on that later.