我不想去，而且反正我也没被邀请。

I don't want to go, and ___in ___any ___case I haven't been invited.

我建议你反正把车留在家里。

I suggest that you should ___in ___any ___case leave your car at home.

我们应该取消旅行；下雨了，而且反正我们时间不够。

We should cancel the trip; it's raining, and ___in ___any ___case, we don't have enough time.