Sentence examples for difficult to pinpoint in from inspiring English sources

The collector avidly sought three categories of Chinese art at its greatest, the bronzes of Ancient China, ceramics from about the 8th to the mid-17th century, and jades, often difficult to pinpoint in time.

Even members of the Muslim Brotherhood, the most organized political opposition group in Egypt, were difficult to pinpoint in that crowd, having camouflaged their usual religious bearing in deference to the nonideological tone set by the protest's young organizers.

Lefèvre's place on the map of late medieval and Renaissance philosophy is difficult to pinpoint in a single key doctrine or even a single work.

Sexual harassment is much more difficult to pinpoint in an artistic environment than in an office.

Finally, it is expected that any relationship between the substitution process and LHT would be more difficult to pinpoint in birds, because they have a markedly narrower range of variation in LHT compared with mammals.

Although the evidence was mixed for the 1980s and it is difficult to pinpoint when in the 1990s the decline began, during the mid- and late 1990s, the panel found consistent declines on the order of 1%-2.5% per year for two commonly used measures in the disability literature: difficulty with daily activities and help with daily activities.

My third space in which I live that is somewhat utopic in my mind, layered with relationships that are difficult to pinpoint and rooted in ritual?

"It's difficult to pinpoint a spot in the desert," Mr. Ultan explained.

Given the multiple functions of many inflammatory factors, it has been difficult to pinpoint their roles in specific (patho physiological situations.

Given Deneuve's longevity, her wide range of roles and her pianissimo style, it's difficult to pinpoint evolutionary shifts in her career.

However, since switchgrass is a self-incompatible grass with a complex allotetraploid genome, it is difficult to pinpoint important genes/loci in switchgrass using forward genetic tools (e.g. mutant selection and map-based cloning).