My mind never stopped working furiously to find a way out.

His face was working furiously, while he tried to think of what to say.

His mouth worked furiously without anything coming out of it.

He got to this point by working fast and furiously.

His mind seemed to be working furiously, yet produced no thought.

The rest of the task force continued to work furiously.

His engineers were working furiously to find ways to break through.

He rolled to one side and tried to stand, his mind working furiously.

His eyes worked furiously with all the emotions running past them.

Both sides worked furiously yesterday to present their case to the public.