复归于正道to restore order

• 拨乱反正

  bring order out of chaos

投到己方to come over from the enemy's side

总是anyway

• 反正结果一样。

  Anyway the result is the same.

• 不管你怎么说，反正他不会答应。

  No matter what you say, he still won't agree.

• 反正去不去都是一样。

  Whether you go or not makes no difference.

• 反正得这样做。

  I have to do it like this anyway.

表示坚决肯定的语气after all

• 你别着急，反正不是什么要紧的事。

  Don't worry, after all it's not an important matter.

无论如何in any case

• 反正事实总是事实。

  Facts are facts in any case.