Sentence examples for make it difficult to define from inspiring English sources
Reflection has become an integral part of teacher education, yet its elusive boundaries make it difficult to define and teach.
But extending the tax to derivatives is a messy business, because their complexities make it difficult to define precisely what should be taxed.
Also, the UK's current practices make it difficult to define 'clean' concretely or to expand that definition either throughout the United Kingdom or internationally.
However, the small number of reported patients and the lack of neuroimaging data make it difficult to define a clearer p.Arg583Gln phenotype.
Unfortunately, several factors make it difficult to define a comprehensive salivary and lachrymal panel of markers of SS, as the lack of a comprehensive proteomic analysis of human tears and saliva of healthy subjects, the lack of uniform protocols to collect and treat these samples, and the high grade of posttranslational modification of the proteins in these fluids.
The complexity and variability of fisheries and the marine ecosystems within which they are embedded therein make it difficult to define an across-the-board exploitation threshold of sustainability.
The mixed microfracture and pore samples are not plotted in Figs. 6 or 7, except for NM2 1354.2 B, which plots as an outlier in Fig. 7, because its mixed microstructure made it difficult to define either the circularity or the microfracture density to the same extent as the single microstructure samples.
The high similarity between the mitochondrial genome and its genomic insertion makes it difficult to define the origin of these transcripts.
MacAdams admits that the "quicksilver nature" of cool makes it difficult to define: "As soon as anything is cool, its cool starts to vaporize".
Similarly, Rosaleen exhibits an inner strength and outsider's perspective that makes it difficult to define her as a victim.
Although Jane worked exclusively as a photojournalist, the artistic sensibility that infuses her best images makes it difficult to define her legacy.
