"Her books are very unusual and difficult to categorise.
Sometimes these strangers are vastly more unusual and difficult than anyone could have anticipated.
Claire raises an unusual and difficult moral problem: What are the obligations of the living toward the dead?
The proceedings have already generated unusual and difficult questions for the presiding judge, Leonard B. Sand, who has a long and distinguished record of protecting the rights of defendants.
He then referred the patient to a surgeon who had experience with an unusual and difficult surgery: the removal of the first rib to widen the narrow opening.
As Elizabeth Hardwick once wrote in Harper's, good literary criticism must involve "the unusual, the difficult, the lengthy, the intransigent," and it certainly demands more than the "few tightly organized pages" the newspaper allows.
A generation of New Yorkers, and thousands elsewhere reached by the stations' signals, knew his opinions as the pitch-perfect accompaniment to programs devoted to unusual and difficult short pieces of music and longer works, including full-length operas.
Nia has taken over the brief in unusual and difficult times but she will generate much good will with this pragmatic recognition that the Trident decision has been taken," he said.
Mr. Biedermann's Ethos Foundation caused a stir this week by taking the unusual and difficult step of proposing an amendment to the corporate bylaws of the Credit Suisse Group to assure management's independence.
It forced Obama to do something unusual and difficult for a candidate: he needed to separate politics and governance in the midst of a political campaign in which there was often no distinction.
"When you're used to being highly successful, this is an unusual and difficult experience," said Kaarli Tasso, who was laid off from a senior management job at an Internet consulting company in the summer of 2001 and is still unemployed.
