“人一定要靠自己”用英语完整翻译怎么说？

One must rely on himself.

翻译，不存在什么标准的或不标准的，只是根据译者的理解，用另一种文字写出来。比如，楼上几位译的就都不错。

nobody can be depended but yourself.

Nobody can be depended but yourself. 这句翻译就很不错。

You must rely on yourselves.

One can just depend on himself.