こんなことは考えられない。の英語

This is totally unacceptable.

This might not be inevitable.

This is totally unacceptable.

I've never tried this.

This is killing me.

This is out of my control.

Nothing is easier

Nothing can be simpler.

It can not possibly be so

It can not by any possibility be so

It is beyond the bounds of possibility.

Nothing is easier

Nothing can be simpler.

The matter concerns me

I am concerned in the matter.

This can't happen.

This is not going to happen.

This is totally unacceptable.

It is nothing of the kind.

No such thing―Nothing of the kind―I am damned if it is so―（綺麗に言えば）―I am blest if it is so.

Such things are of rare occurrence.

Such a thing seldom happens―rarely happens―hardly ever happens.

This is nothing.

It's a piece of cake

It's a piece of pie.

Don't mention it.

It doesn't hurt one bit.

That's no big deal.

This won't take too long.

This won't even take a few minutes.