The old man turned without concern, seeing something in his mind, and walked away.

The ones outside, though, they just took on, without much concern.

And, I mean, they're so good they can be used without concern.

Someone outside Washington has been shooting men and women without concern for race or age.

"I got to go to court in a month," he said without concern.

So it's available, and anyone can use it without concern.

They would also talk freely among themselves, without much concern for who might be listening.

He took the stove out without care or concern for the residents.

"This has been done without concern for budget," he says.

This was because they performed experiments without much concern for what would happen.