用go it alone表达“只身单干”

to go it alone 可形容一个人做事情自己做，没有其他人的帮忙，单干。

• Now that I have enough experience, I‘ve decided to go it alone and start my own business.
• I‘m not ready to go it alone yet. I need another few years working in this company to gain more experience.
• We don‘t need your help with the project. We‘ll go it alone and see what happens.

值得注意的是，alone 做形容词时可表达很多意思，其中包括“某人感到孤单，孤苦伶仃的；独自的；单独的，等等。

• After she left me, I felt completely alone.
• I enjoy being alone sometimes.
• Just the dress alone is going to break my bank, never mind the shoes to go with it.