nieprzewidziane opóźnienie

All these created unforeseen delays in the final plan preparation

Those are much further advanced, despite the usual unforeseen delays.

"My guest has been detained for the moment, but we've all become accustomed to unforeseen delays by now."

Frustrated by the unforeseen delay, they considered returning to Australia.

Actually it could probably be done in three, but Scott preferred to make conservative estimates to allow for unforeseen delays.

Despite, the reduced traffic volume, they had encountered numerous unforeseen delays.

Her hope is to have the pool ready for next summer, but unforeseen delays could push the opening back to 2008.

"But you can't be sure there won't be unforeseen delays."

If an unforeseen delay had not occurred in the passage, he would have been on the Austrian rear.

Originally planned for the spring of 1998, unforeseen delays stalled the project until early 2001.