他忘了帶手機充電器。
He forgot the charger for his mobile phone.
大多數飛機上不許使用手機。
The use of cellular phones is not permitted on most aircraft.
很多人不斷將手機升級到最高檔的款式。
Many people are upgrading their mobiles to top-end models.
請確保演出時關上所有手機。
Please make sure all mobile phones are switched off during the performance.
我沒有帶手機。
I hadn't got my phone with me.