3 sentences for 倍 (bèi — double)

1. 每逢佳节倍思亲。

   měi féng jiā​jié bèi sī​qīn.

   On every festive occasion, one misses one's loved ones even more.

   Source: Dong Chinese Dictionary

2. 这种药水可以使头发的生长速度倍增。

   zhè zhǒng yào​shuǐ kě​yǐ shǐ tóu​fa de shēng​zhǎng sù​dù bèi zēng.

   This lotion can double the growth rate of hair.

   Source: Dong Chinese Dictionary

3. 听到这个好消息，大家的工作热情也随之倍增。

   tīng​dào zhè​ge hǎo xiāo​xi, dà​jiā de gōng​zuò rè​qíng yě suí zhī bèi zēng.

   Upon hearing the good news, everyone's enthusiasm for work doubled.

   Source: Dong Chinese Dictionary