それをすることは危険なことであったろう。の英語

It wouldn't have been safe to do that.

I think that it is very dangerous.

I think that it is extremely dangerous.

You are courting danger.

In order to do that, you have to take risks.

You are skating on thin ice.

It is very dangerous there.

That is dangerous sometimes.

I'm fully aware that I must take the consequences.

I know I am risking my position [life].

However, that is a very dangerous method.

This doesn't mean the danger has passed.

I'd prefer to not take that risk.

That area is very rough.

I can't do such a dangerous thing.

I was well aware of the danger.

I was fully alive to the danger.

This thing is extremely dangerous.

Is there any danger?

That is probably dangerous.

This is very dangerous now.

That is a dangerous item depending on how it is used.

Dangers were looming ahead.

I was aware of the danger.

Use this if you're in danger.

There might be a danger.

Don't magnify the danger.

That is not as dangerous as everyone believes.

Let's take a chance and go for broke.

Don't risk your neck over something foolish.