4 sentences

1. 谁会一边笑一边自拍呢？

   shéi huì yī​biān xiào yī​biān zì​pāi ne?

   Who takes a selfie while they're laughing?

   Source: OpenSubtitles

2. 我丈夫一边吃早餐一边读报纸。

   wǒ zhàng​fu yī​biān chī zǎo​cān yī​biān dú bào zhǐ.

   My husband reads the newspaper while eating breakfast.

   Source: Tatoeba

3. 他一边等火车，一边在月台上走来走去。

   tā yī​biān děng huǒ​chē, yī​biān zài yuè​tái shang zǒu​lái​zǒu​qù.

   He walked back and forth on the platform while waiting for the train.

   Source: Tatoeba

4. 我的妈妈是一位单身母亲，她一边全职做服务员，一边抚养着四个孩子。

   wǒ​de mā​ma shì yī wèi dān​shēn mǔ​qīn, tā yī​biān quán​zhí zuò fú​wù​yuán, yī​biān fǔ​yǎng zhe sì ge hái​zi.

   My mother was a single mom who raised four kids while working full-time as a waitress.

   Source: CCMatrix