2 sentences

1. 你一定是转错弯了。

   nǐ yī​dìng shì zhuǎn cuò wān le.

   You must have taken a wrong turn.

   Source: OpenSubtitles

2. 你错过了一个转弯。

   nǐ cuò​guò le yī​ge zhuǎn wān.

   You missed a turn.

   Source: OpenSubtitles