1.   He had almost given up testing the limits.

2.   Lucien knew that Jeopardy had worked him hard, tested his limits.

3.   Modern life often tests the limits of human adaptation.

4.   The project is challenging enough to test your limits.

5.   Would I be testing the limits of their tolerance for the rest of my feminist work?

6.   Its diplomats are finding their own voice and testing limits of the possible.

7.   True, the man made prisoner by all this is testing the limits of his confinement.

8.   Already, coaches like Patricia Wheeler are testing the limits of the new discipline.

9.   Anaya said a worldwide movement to promote cultural and ethnic identity is testing the limits of established governments.

10.   And a case in U.S. District Court in Washington, the Fund for Anonymous Gifts v. IRS, is testing those limits, too.