2 sentences

1. 这家伙是从哪里冒出来的？

   zhè jiā​huo shì cóng nǎ​li mào chū​lai de?

   Where did this guy come from?

   Source: OpenSubtitles

2. 我弟弟不知从哪儿冒了出来。

   wǒ dì​di bù​zhī cóng nǎ​r mào le chū​lai.

   My brother showed up out of nowhere.

   Source: OpenSubtitles