1、直译：I don't know whether doing so is right,but this is the best choice I can think of.
2、拽文：I being uncertain about the rightness of this,it is the optimum choice as far as I can possibly find.
3、更常见的说法：I'm not sure if this is the right thing to do,but it is the best I can come up with. 1、直译：I don't know whether doing so is right,but this is the best choice I can think of.
2、拽文：I being uncertain about the rightness of this,it is the optimum choice as far as I can possibly find.
3、更常见的说法：I'm not sure if this is the right thing to do,but it is the best I can come up with.