Tā yànjuàn le tuánduì gōngzuò, juédìng dānfēi chuàngyè.
Tired of teamwork, he decided to strike out on his own and start a business.
Tips
memory
Mirrors the English 'fly solo' almost exactly: 单 ('single, solo') + 飞 ('to fly'). The image started literal, a pilot's first solo flight, and migrated naturally to bands, idol groups and entrepreneurship.
culture
Heavily used in Chinese pop-music and idol-group reporting: when a member of a group like TFBOYS or SNH48 starts a solo project, headlines invariably use 单飞.
