Meaning of huí diàn:
回电
to call sb back (on the phone); to reply to a telegram; to wire back
Qǐng jǐnkuài huí diàn gěi wǒ.
请尽快回电给我。
Please call me back as soon as possible.
Qǐng nǐ jǐnkuài huí diàn.
请你尽快回电。
Please reply to the telegram as soon as possible.
Tā dāyìng xiàwǔ gěi wǒ huí diàn.
他答应下午给我回电。
He promised to wire back to me in the afternoon.
a return call; a reply telegram
Rúguǒ nín méi néng jiē dào diànhuà, qǐng jíshí huídiàn.
如果您没能接到电话,请及时回电。
If you missed the call, please make a return call promptly.
Wǒ děngzhe tā de huí diàn.
我等着他的回电。
I am waiting for his reply telegram.