I might as well die as do such a thing.

It's nonsense to try that.

If you do that, it will only bring about a contrary effect.

It is absolutely impossible.

That's to me like a flower on lofty heights.

There is no time to quarrel over such a thing.

I'll be damned if it's true.

Don't degrade yourself by telling such a lie.

It is time you told her the truth.

I think I have to get moving with some work for the exams.