请帮我翻译：昨天晚上（5月14号）手机在家里还接到过电话。然后……

I could receive call at home last nigh & haven’t switched off the phone at night. I went to office next day & put the phone on the desk, and then I have a lesson with students. During that day, I haven’t received any call. Later, my colleague told me directly that he had tried to call me, but always tell that my phone is switched off. I looked over my phone, it was no signal. I switched off the phone & then switched on again, it was normal. I used this phone in my office & found no problem before.

Last night (May 14) mobile phones in the home also received a telephone. Then, the evening did not shut down. To the office the next day, I will put the phone on the desk, to school students. On this day, I have not received any phone. Later, a colleague directly to find me that my phone is always playing tips: shutdown. I tried to, is such that my phone is turned off. I have read the phone, no signal. Shutdown, reboot on the又好. Previously, the first cellular phone in my office use,