5. Because I forgot to electricize my mobile telephone yesterday, when I woke up it closed.
我昨天忘記給手機充電了，今早醒來發現手機關機了。
還能這樣說：
My phone had run out of power for I forgot to charge up the battery.
My battery was dead when I roused up from sleep.
應用解析：
forget oneself in 沉浸于……
forget to 忘了要……
forget flagrantly 公然忽視；
forget wantonly 不負責任地忽略
6. His phone is powered off.
他的電話關機了。
還能這樣說：
His phone turns off automatically.
His phone goes dead now.
應用解析：
be beyond one's powers 不能勝任，力所不及；
come to power 掌權，上臺；
do all in one's power 盡力，竭盡全力
7. The subscriber I just dialed is power off.
我剛剛撥打的電話關機了。
還能這樣說：
The phone I just dialed has logged off.
The phone I called a moment ago shuts down.
應用解析：
ten percent off 九折；
drink off 喝完；
leave off work 停止工作；
pay off 付清；
get off 脫衣，下馬；
fall off 從……掉下來；
look off 掉轉視線
8. Could I use your phone? Mine is power off.
我能用一下你的手機嗎？我的沒電了。
還能這樣說：
Would you mind me using your cell phone?
Are you so kind to lend your phone to me?
諺語：
Use is a second nature.
習慣成自然。