2 sentences

1. 他辞掉了原来的工作，准备自己单干。

   tā cí​diào le yuán​lái de gōng​zuò, zhǔn​bèi zì​jǐ dān​gàn.

   He quit his original job and is preparing to work on his own.

   Source: Dong Chinese Dictionary

2. 他辞掉了原本稳定的工作，准备出国深造。

   tā cí​diào le yuán​běn wěn​dìng de gōng​zuò, zhǔn​bèi chū​guó shēn​zào.

   He quit his stable job to prepare for further studies abroad.

   Source: Dong Chinese Dictionary