David obviously felt he had better laugh along too, but he did not do a very convincing job of it.

If so, you are not doing a convincing job.

He's such an accomplished actor that I'm absolutely certain he'll do a more convincing job on screen than in his actual journalistic efforts.

Adams was desperate enough to do a convincing job.

"You should be able to do a more convincing job of posing as my secretary than that," Naitachal whispered.

If so, he was doing a very convincing job: he seemed genuinely indignant.

Jim did a convincing job of looking like he meant business.

Or that somebody had done an awfully convincing job of making it look like suicide.

Rachel was doing a convincing job of bawling in fear.

The question is, does "8 Mile" do a convincing job of evoking hip-hop culture?