4 sentences

1. 好像他又变回了他自己。

   hǎo​xiàng tā yòu biàn​huí le tā zì​jǐ.

   It's like he was himself again.

   Source: OpenSubtitles

2. 你又变回小男孩了！

   nǐ yòu biàn​huí xiǎo nán​hái le!

   You're a little boy again!

   Source: OpenSubtitles

3. 你随时可以变回原来的样子。

   nǐ suí​shí kě​yǐ biàn​huí yuán​lái de yàng​zi.

   You can change back whenever you want.

   Source: OpenSubtitles

4. 传说中，这个妖精在法力消失后会变回原形。

   chuán​shuō zhōng, zhè gè yāo​jing zài fǎ​lì xiāo​shī hòu huì biàn​huí yuán​xíng.

   Legend has it that this goblin will return to its original form once its magic disappears.

   Source: Dong Chinese Dictionary