2 sentences for 回电 (huí​diàn — return call)

1. 你从没给他回电。

   nǐ cóng​méi gěi tā huí​diàn.

   You never called him back.

   Source: OpenSubtitles

2. 请留下姓名和号码，我会给你回电。

   qǐng liú xià xìng​míng hé hào​mǎ, wǒ huì gěi nǐ huí​diàn.

   Please leave your name and number, and I'll call you back.

   Source: OpenSubtitles