In the latest dispute, the Americans walked a careful line.

"I have to walk a very careful line," he said.

Democrats have walked a careful line, trying to keep their criticism alive, but lowering expectations that they alone can influence war policy.

But you always have to draw a careful line when it comes to designing cybernetics.

"One had to steer a very careful line," he continued.

She nodded and did it, nine careful lines in four seconds.

A careful line with her glass cutter along an inside border of the tape.

The men say they must walk a careful line when it comes to foreign policy.

Democratic leaders were walking a careful line of personal loyalty and institutional respect.

So city officials are walking a careful line in explaining how the new eligibility rules will be enforced.