n.

1. 電話機[C]
   I talk to him on/over the telephone.

   我在電話裡同他談過了。

2. 電話[U]
   You are wanted on the telephone.

   你的電話。

3. 電話耳機，聽筒[C]

vt.

1. 打電話給，打電話告知[O1][O2][+that]
   He telephoned me that he couldn't come.

   他打來電話告訴我他不能來了。

   She telephoned her father to send money.

   她打電話要她父親匯錢。

   I telephoned her my arrival.

   我打電話通知她我已抵達。

   We telephoned him to come.

   我們打電話叫他來。

vi.

1. 打電話，通電話[（+for/to）]
   You can telephone for a taxi.

   你可以打電話叫一輛計程車。

n.

1. a system for transmitting voices over a distance using wire or radio, by converting acoustic vibrations to electrical signals.
2. an instrument used as part of such a system, typically including a handset with a transmitting microphone and a set of numbered buttons by which a connection can be made to another such instrument.

v.