"confused understanding" is a correct and usable phrase in written English.
You can use it whenever you need to describe a situation in which a person doesn't completely comprehend a concept or an idea. For example, "The student had a confused understanding of the material, so the instructor was forced to take extra time to explain it again."
These observations left us with an unclear and confused understanding about their origination process and indicated the further need for high-quality imaging and spectroscopic observations.
Efforts were hampered by the lack of molecular data, and uncertainty was compounded by the fact that Ericabatrachus has a suite of morphological characters that have seemingly confused understanding of its evolutionary relationships.
However, although potentially protective in one way, as has been shown earlier, this strategy may also perpetuate a confused understanding of the nature of HIV, exacerbate their sense of isolation and limit their opportunities to access support to manage their illness in the present and the future.
Coffey warns that "Sexting, selfies, Instagram and the like have given rise to new social norms in changed expectations of sexual entitlement, and with it a confused understanding of what constitutes consent".
That view, in turn, has its roots in a confused understanding of how the concepts of legitimacy and the use of force interact in times of war and how the recent history of conflict can create the permissive climate for further violence.
As John Ruskin put it: "Failure is less frequently attributable to either insufficiency of means or impatience of labour, than to a confused understanding of a thing actually to be done".
And in keeping with the book's central theme -- that information is not synonymous with knowledge, that gathering data should not be confused with understanding life -- Chalmers becomes incapacitated by a disease that cannot be diagnosed, despite endless rounds of sophisticated medical tests.
But many are just confused, not understanding why others see them as they do.
Now that she is back with her mom, she has distanced herself from Amy. Amy is upset and confused, not understanding what she did to deserve this.
It is regrettable that Darwin did not make the distinctions of the meaning of instinct more explicit, for he gave powerful precedent for the indiscriminate use of the word, the ambiguity of which has repeatedly clouded and confused the understanding of behaviour.
Reserve is one characteristic it probably isn't worth imitating, because it is easily confused with not understanding the language - or being very drunk.
