You have made a very bad decision and something must be done.

Was it a bad decision for him to try to help?

How does a government try to cover a bad decision?

Making a bad decision in any of these areas will make the company lose money.

Anyone can make a wrong choice or a bad decision now and then.

And he felt also that it was a bad decision.

Most people have had a full day of work, and begin to make bad decisions late at night.

Maybe, there have been some bad decisions on my part.

I went down the mine which was a very bad decision.

He had made any number of bad decisions, especially in the past few years, but also long before that.