Chuàngyè chūqī tā dāndǎ-dúdòu, hòulái cái mànmàn zǔjiàn le tuánduì.
In the early days of the startup he went it alone, and only later did he slowly build a team.
Tips
usage
It can admire a lone fighter or criticize someone who will not cooperate. Compare 孤军作战, where the person has been left without support rather than choosing to go solo.