なんてことだ。の英語

What of that?

such a trifle

Which means...

such trifles

So [That's what] they say.

an outline of a thing

（指して言えば）It that what you mean?―（指さずに言えば）―Do you mean that affair?

that's the way it is

Do you mean this?

That's it.

（理由を述べるのなら）―This is how it is―（物語を叙するのなら）―This is how it happened.

So I understand.

what the hell

a thing like this

something similar to something previously specified

Is that the case?

Such is the case

That's just what I was going to say.

What does that mean?

in that case

Roughly speaking, that is the state of the case.

In short, this is the state of the case.

It's normal.

It was something that...

In short, this is how it is.

(of condition of a thing) being like this

Roughly speaking, that is the state of the case.

As if!

That can't be true [so, right]!

That's about it

Oh no!

Oh no!

What the heck?

what a boot!

Just kidding!

Oh no!

What the heck is my life?

Say something!

Do something!

What's the meaning of this?

What does that mean?

What do you mean?

What do you mean?

That's great!

What does that mean?

What do you mean by that?

What is meant by that?

What do you mean by that?

How is this?

You don't say!

No way!

Not really!

That can't be true!

You don't say so [tell me]!

《口語》 No kidding!

What, in the name of all that's wonderful, is this?

What did you say?

What does he say?

what matter

What a fine state of affairs!