It is often difficult to discern whether Blatter is serious.
It is often difficult to discern whether the information is true.
With many of these meetings, it is often difficult to discern what exactly was being discussed.
And when we do act, it is often difficult to discern the governing principles of action.
John Norseen, a scientist with Lockheed Martin, is often able to discern when subjects are thinking of particular numbers.
The cause of recurring back pain, which is the focus of Dr. Hainline's practice, is often difficult to discern, he said.
And it is often difficult to discern what is going on among city, state and downtown officials when their public comments are often at odds with what is said behind closed doors.
Because all the sources for Iranian myths, whether those of Classical authors or indigenous texts, are post-Zoroastrian, it is often difficult to discern what elements of the myths are Zoroastrian innovations and what elements are inherited.
As at Marion and most of the other nine-holers, the turf is not rye or Bermuda grass but just pasture, and the difference between fairway and rough is often hard to discern.
The news in the numbers is often difficult to discern.
