erweisen in English:

I'll demonstrate how this machine works.

I don't know how to demonstrate it, since it's too obvious!

You should make the most of this rare opportunity to demonstrate your talent.

He went on to demonstrate how to use the machine.

I’ll demonstrate how to use this new coffee machine.

Can you please demonstrate this app for me?

Can the Commission demonstrate whether liberalisation has affected safety?

Let me demonstrate to you how properly use the lawnmower.

Thousands of people gathered to demonstrate against the new proposals.

Every time a failure like that occurs in another department, I'm tempted to call them idiots, but then people like you come along to demonstrate what true idiocy looks like.

Fascism and communism as they were realised demonstrate two faces of the same monster.

These diagrams demonstrate different possible approaches to job seeking.

These things are much better spoken about face to face so that we can draw diagrams and demonstrate timings on logic analyzers and oscilloscopes where necessary.

In the 1950s, two scientists tried to prove the theory mathematically.

Mathematicians are poets, except that they have to prove what their fantasy creates.

They knew that he did it but they couldn't prove it.

it has proved difficult to confirm the effectiveness of this method

proved, proven

With pure logic you can prove the biggest nonsense.

A car is convenient, to be sure, but, after all, it will prove expensive.

Now, we show how this lemma can be used to prove our main theorem.

Solar storms next year could prove disastrous for the electrical grid.

I don't quite follow, but it looks like it will prove tricky. Ergh.

All lost umbrellas turn into paper clips, as anyone can prove when finding these.

If they are proved guilty we won't trade with them.

Come prove various parts of your story...

They couldn’t prove that she was guilty. to prove sb right/wrong. to prove to be useful/easy. to prove yourself

The word prove means to demonstrate the truth or existence of (something) by evidence or argument.

Don’t worry – everything will turn out okay.

1. turn out that, turn out to be

What seems useless may turn out to be useful.

it's too soon to say how it will turn out

It can be scary, but it can also turn out really amazing. / 2. It turned out I was right.

It can be scary, but it can also turn out really amazing. / 2. It turned out I was right. / 3. But, as it turns out, I'm pregnant... just a few months.

It turned out that they weren't cousins, after all. She didn't turn out to her wedding. I tuned out and went to school.

We trusted him but he turn out to be a thief.

it turn out that/ a lot of turned out of the palace

His unbelievable story turn out to be true.

How did the wedding ceremony turn out?

it turn out that I have to move to London

They want them to turn out high quality products.

The party did not turn out well.

The film surprised me because it didn’t turn out as I had expected.