2 sentences

1. 是谁打开了石门？

   shì shéi dǎ​kāi le shí​mén?

   Who opened the stone door?

   Source: OpenSubtitles

2. 魔法师低声念动咒语，石门缓缓地开启了。

   mó​fǎ​shī dī​shēng niàn dòng zhòu​yǔ, shí​mén huǎn​huǎn de kāi​qǐ le.

   The wizard whispered an incantation, and the stone door slowly opened.

   Source: Dong Chinese Dictionary