You've all been exposed to a serious amount of radiation.

"We're playing for a serious amount of money," she answered.

It's a serious amount of space - 4,000 square feet and only two apartments.

But for a person like me, seventy thousand dollars was a very serious amount of money.

"The region could lose a serious amount of money here."

There wasn't room inside Charlie for any serious amount of contraband.

Small wonder with the serious amounts of money that must be supporting it.

It requires both a serious amount of financial investment and, in particular, an effective European foreign and security policy.

Revenue from the project may bring the government some $2bn over the next 25 years, a serious amount for one of the world's least-developed countries.

The twins had been doing a certain amount of damage, nothing serious.