The phrase "a certain knowledge of" is correct and usable in written English.
It can be used when referring to a specific level or type of knowledge about a subject or topic.
Example: "To apply for this position, you must have a certain knowledge of programming languages and software development."
Alternatives: "a specific understanding of" or "a particular familiarity with".
Most hunters, Mr. Chapel said, "do have a certain knowledge of what's required of them" in such potentially hazardous circumstances and do not simply blaze away.
Greenspan does have a way of explaining his thinking in a manner that assumes a certain knowledge of economics and history, and this book fills a function with its usually clear explanations of references that some readers would find obscure.
Obviously, the purpose of such procedure was not to set observers' minds at rest by means of a certain knowledge of future.
In spite of the absence after November 2006 of the magnetic field measurements near Mars, a certain knowledge of the global magnetic field configuration can be retrieved from the ELS and IMA data.
None require computer programming and the pathologist can use them without technical assistance, although a certain knowledge of digital imaging, web server management and web design optimizes their performance with virtual microscopy.
The #5C21 CT model is based on humans with a certain knowledge of CT to carry on an assessment which is focused not only on the algorithmic properties of the program, but considers also the creative process by which the learner has developed a valuable, original and parsimonious solution to a specific situation.
Installation and configuration of this software will need a certain knowledge and experience of computer programming and system maintenance, which makes this software difficult to be used by most biologists in their research.
Thus, for instance, after these nineteenth-century developments, philosophers who dream of a completely certain knowledge of right and wrong secured by logical inference from self-evident principles can no longer propose Euclidean geometry as an instance in which a similar goal has proved attainable.
Indeed, John Calvin defines faith as "a firm and certain knowledge of God's benevolence towards us, …." (Calvin, 1559, p. 551 (emphasis added)).
These systems, covering a wide range of entrenched and influential metaphysical and theological views, purport to have discovered principles that give us a deeper and more certain knowledge of ultimate reality.
The cogito is a logically self-evident truth that also gives intuitively certain knowledge of a particular thing's existence that is, one's self.
