それは驚くに当たらない。の英語

It is not to be wondered at.

That is not something to be surprised about.

That is not so surprising.

That doesn't occur that much.

That is not common.

That is not an exaggeration.

That is weird.

That is eerie.

That is not an exaggeration.

It's past (all) belief.

This does not apply to that.

It's not worth making an issue out of it.

It's unlikely.

That is improbable―not likely―（未来の事なら）―unlikely to happen.

It is contrary to reason.

That is not ruined.

That rarely can be observed.

It is rarely observed.

That doesn't make it in time.

I couldn't stand looking at it.

That cannot be helped.

There is nothing that can be done for that.

That is very painful.

That seems boring.

That is no excuse.

That looks boring.

I can't help it.

That won't quite come off.

That cannot be helped.

It's not a difficult problem.