"unclear knowledge" is not a grammatically correct phrase in written English.
You could use a phrase like "lack of knowledge" or "incompletely understood knowledge" instead. For example: "The reason for his failure was his lack of knowledge about the topic."
Others dismissed the issue, saying it was unclear what knowledge Mr. Gorsky had had of the trouble with the hips.
United Nations peacekeepers are stationed at Duékoué, but it was unclear what knowledge, if any, their base might have had about the mass deaths.
However, crop performance related to interaction between wheat and faba bean is unclear, and knowledge gap about the relationship among crop performance, N management, and specie-specie interaction still remains in intercropping.
However, the role of endogenous morphine in inflammation remains unclear, and knowledge of its secretion from immunocytes as well as its subcellular localization is lacking.
It is unclear whether knowledge of danger signs translates into improved birth preparedness and complication readiness.
Whether BuV is an etiologic agent of human gastroenteritis remains unclear, but knowledge about its distribution and genetic divergence in humans is accumulating.
It is, however, unclear whether knowledge of cTn values when interpreting ECGs leads to an appropriate diagnosis or over-diagnosis of AMI.
However, for a particular patient with CKD, it is unclear how knowledge of phenotypic factors can be used to determine the likelihood of requiring renal replacement therapy or of dying within the next few years.
It is unclear whether knowledge of danger signs translates into improved birth preparedness and complication readiness, yet the objective of the BPCR strategy is to promote active preparation and decision making for delivery by pregnant women and their families, as every pregnant woman faces risk of sudden and unpredictable life threatening complications.
In a world in which comfortingly false information is never more than a click of the mouse or the cable box away, it is unclear how knowledge-based journalism would reach an audience larger than the one that already seeks reliable news.
