The phrase "able to understand this" is correct and usable in written English.
You can use it when referring to someone's capacity to comprehend a particular piece of information or message.
Example: "I hope you are able to understand this explanation clearly, as it is crucial for your project."
Alternatives: "capable of grasping this" or "able to comprehend this."
The only people able to understand this work properly cannot communicate that understanding to you.
You must have a clear understanding of pronouns, verbs and basic grammatical constructions to be able to understand this.
We were again able to understand this from references to fluid vortices, also in our physics books.
I wouldn't go so far as to say it keeps me awake at night, but I've never been able to understand this apparent discrepancy.
"The Bonapartist movement represents the identity of Ajaccio, but Mr. Napoleon has lived abroad, I mean, on the Continent, and he may not be able to understand this".
I had never been able to understand this inability to retain and process information, and even now I have to look up some embarrassingly famous dates.
If you're good at reading lips, you may be able to understand the teacher this way.
As the man got closer to the animals, he found himself able to understand the particulars of this exchange.
AALFI provides tailored interaction that is either visual or auditory so that the subject is able to understand the interactions and this process is driven by a Multi-Agent System.
"I want my children to be able to understand the significance of this point in time: the web is already so ubiquitous - so, well, normal - that one risks failing to see how fundamentally it has changed," he told BBC News.
To us, Dad was a saint, eternally emphasizing the ideals of Christianity, repeatedly espousing its forgiveness and compassion and telling us that we were truly blessed to be able to understand the meaning of this holy time.
