The phrase "a confusing aspect" is correct and usable in written English.
It can be used when discussing a particular feature or element of a topic that is difficult to understand or interpret.
Example: "One confusing aspect of the new policy is the lack of clear guidelines for implementation."
Alternatives: "a perplexing element" or "a puzzling feature".
Radial symmetry of the body plan has long been considered a somewhat confusing aspect of echinoderm biology, but nowadays it is becoming much less of a problem due to the growing appreciation that each of the radial nerve cords in an extant echinoderm is homologous to the dorsal nerve cord in chordates [ 18- 23].
A lot of the fun for the audience is in the confusing aspect of the show, when they're not sure what to do next.
Coordinates aren't the only confusing aspect of calling in airstrikes.
Another confusing aspect of the study was that it appeared to show that modest use of a mobile phone actually reduced the risk of brain cancer.
One confusing aspect of Donald Trump's campaign has been the fact that conservatives are so animated by a message of law and order at a time when national crime rates are lower than they have been in decades.
There is one slightly troubling (or perhaps simply confusing) aspect of the CASP hypothesis articulated in the conclusion (implications) section of the article.
As noted in the introductory section, a major open question about SH7PC enzymes is how they bind the same substrate and produce different products, with the most conceptually confusing aspect being how EEVS produces one stereochemistry at position C5 of the product (derived from the substrate C2 atom, as shown in Figure 1B) while EVS produces the other.
The book was faithful to the film, but added several extra scenes that explained confusing aspects of the film and gave more about the characters' backgrounds.
While this has significantly expanded the Discussion, we believe it has clarified numerous specific and sometimes confusing aspects on avalanche dynamics.
This dual and poorly-enacted heritage perhaps best explains the curiously confused aspect of our cities.
