The phrase "ability to understand this" is correct and usable in written English.
You can use it when discussing someone's capacity to comprehend a particular concept or information.
Example: "The complexity of the topic requires a high level of ability to understand this for effective communication."
Alternatives: "capacity to grasp this" or "skill to comprehend this".
The mayor returned to Tony: "It's really unfortunate that you don't have the ability to understand this".
We conclude that empirical reports with serious flaws continue to be published, compromising our ability to understand this phenomenon.
"The early reviews of the Sunrise app, and the incredible loyalty and retention of their user base, were testament to their ability to understand this," the Balderton team wrote on the firm's blog.
In all of the talk swirling around mobile disruption, download growth, retention metrics, and so forth, the most valuable attribute of app builders today may, in fact, be patience — the ability to understand this new, unbundled environment; to accept its new laws and fragmented audiences, and; to harness its scale and reach to create the next breakout the world doesn't know about yet.
The many Churchill Limnephilus larvae associations will greatly improve our ability to understand the systematics of this group.
As the old Latin proverb says: "Totum mundum agit histrio" or "The actor portrays the entire world". This ability to understand the inner life of others is a gift of the gods and lets us see ourselves as others see us - the surest cure for the delusion that we are the measure of all things and center of the universe.
The ability to accelerate fine-mapping and cloning of genes in polyploid wheat would have a huge impact on our ability to understand the fundamental biology of this important crop species and would enable wheat breeders to directly access the genetic variation in genes encoding important agronomic traits.
Autism spectrum disorders (ASD) are characterized by a reduced ability to understand the emotions of other people; this ability involves recognizing facial expressions.
This is the ability to understand that objects continue to exist even when out of view.
This is the ability to understand the thoughts, feelings, and intentions of other people.
This significantly constrains our ability to understand the role such signals play in benthic community dynamics.
