Croatia's escape from Yugoslavia, though, has proved far more complicated.

This may prove more complicated than the Bush administration suspects.

Henry might have known that in his case the operation would prove a little more complicated.

Marketing Internet services, however, will prove more complicated than selling fast food.

Control logic, however, proved much more complicated than expected to implement.

Telling the story of the Alamo this time around is proving more complicated.

But, as usual, matters have proved more complicated than the optimists expected.

The process proved complicated and contradictory, as these things do in the real world.

Getting out of the Underground proved more complicated than she'd expected.

Combining the three companies proved more complicated than expected.