1.   Although his dream of repertory had ended, he never lost his zest for presenting serious theater, and he was soon back on Broadway.

2.   Brian Washington and Hasty are now starting for the Kansas City Chiefs, and other Jets veterans who seemed to have lost their zest for the game are gone.

3.   Somewhere along the way, Leon has lost his zest for life.

4.   When he was made a baron in a belated sign of recognition, he had long lost his zest to defy society and even much of his inspiration.