1 sentence

1. 他原本是个好学生，却因为结交社会青年而误入歧途。

   tā yuán​běn shì gè hǎo xué​sheng, què yīn​wèi jié​jiāo shè​huì qīng​nián ér wù​rù​qí​tú.

   He was originally a good student but was led astray by hanging out with the wrong crowd.

   Source: Dong Chinese Dictionary