2 sentences for 下海 (xià​hǎi — enter business)

1. 他辞去了公职，选择下海从商。

   tā cí​qù le gōng​zhí, xuǎn​zé xià​hǎi cóng shāng.

   He resigned from his public office to go into business.

   Source: Dong Chinese Dictionary

2. 他放弃了铁饭碗，决定下海经商。

   tā fàng​qì le tiě fàn​wǎn, jué​dìng xià​hǎi jīng​shāng.

   He gave up his secure government job and decided to go into business.

   Source: Dong Chinese Dictionary