Health experts claim it's doubly dangerous as the torrent of meaty burps it causes will also discourage mouth-to-mouth resuscitation.

Such an attack would be doubly dangerous because its circumstances would 'complicate an effective response'.

What made him doubly dangerous in this mood was his height, or lack of it.

When those lips were also emitting ectoplasm and undermining morale by revealing official secrets, they were doubly dangerous.

His problems started out so commonplace — overspending, mainly — that his eventual crimes felt doubly dangerous.

Things are not yet as bad as they were in the spring, making it doubly important that we learn the lessons of what happened then.

Now that the results are so tangible, it's doubly important for us to keep our eyes on the prize.

This makes it doubly important for police to maintain an open, two-way relationship with the media.

That makes cost control doubly important.

You can always get tested again just to be doubly sure you haven't been incubating anything.

To make doubly sure it's food-safe, you can take it straight from washing machine to microwave.

Or that she was taking something herself, to make doubly sure?

It has more wells to drill, and said last week it would go a bit deeper on the first one to make doubly sure.

I cut my nails short, remove the clear varnish and scrub them thoroughly with a brush to make doubly sure of their cleanliness.

And that's doubly true if you are in woodland.

It rings doubly true when you're talking about when to go.

The waste management industry knows that it's doubly true, because nowadays they are paid once to clear the rubbish and then a second time to recycle it.

It would hold doubly true if you have never done it before.

Indeed, five years ago, you could have swapped the word 'divide' for 'deride' and that sentence would have been doubly true.