The most difficult part,she says, is creating a good design.

VOA: special.2009.05.18

This may be the most difficult part of all.

VOA: standard.2009.12.27

He was able to do this even in the difficult positions demanded by the part.

VOA: special.2010.03.07

"At least one of the bombers detonated in the deepest part of the underground which made it hugely difficult both to undertake rescue operations and to carry out the forensic examination of the site which needed to take place."

VOA: standard.2010.04.01

Some of the local residents in Searchlight did not like the fact that outsiders had come in to target Senator Reid, who faces a difficult re-election bid this year, in part,because of his work in guiding the divisive health care reform bill through Congress.

VOA: standard.2010.03.28