3 sentences

1. 她发自内心地感谢你。

   tā fā​zì nèi​xīn de gǎn​xiè nǐ.

   She thanks you from the bottom of her heart.

   Source: OpenSubtitles

2. 舞蹈一定要发自内心。

   wǔ​dǎo yī​dìng yào fā​zì nèi​xīn.

   Dancing has to come from the heart.

   Source: OpenSubtitles

3. 真正的幸福是发自内心的。

   zhēn​zhèng de xìng​fú shì fā​zì nèi​xīn de.

   True happiness comes from within.

   Source: AI Challenger 2017