The phrase "expresses his understanding" is correct and usable in written English.
You can use it when describing someone’s ability to convey their comprehension of a topic or situation.
Example: "In his presentation, he expresses his understanding of the complex issues surrounding climate change."
Alternatives: "demonstrates his comprehension" or "conveys his insight."
"He gets to express his understanding of food day in and day out," Mr. Ducasse said.
There were boos from Villa fans at the final whistle and Lambert has expressed his understanding for their frustration.
He was trying to express his understanding of the public anger regarding the war, while not alienating his friends in the U.S. government.
President Obama expressed his understanding of President Putin's decision and welcomed the participation of Russian Prime Minister Medvedev at the G-8 Summit," the statement said.
Ed Milliband has added his contribution to the debate, expressing his understanding of "popular fears" of immigration, it seems that all three major political parties feel obliged to line themselves up in support of harsher, more exclusionary immigration policies.
In his current position as U.N. high commissioner for refugees, this former prime minister of Portugal would do better to recommend that young Tunisians stay where they are, rather than express his understanding for running away.
In his letter to the dance company and its well-known choreographer Ohad Naharin, which emerged this week, Eno expressed his understanding for Israeli artists but said it was "unacceptable" for his music to be used in a performance sponsored by part of the Israeli government.
Dr. Achilleas Mitsos, the Commission's research director-general, expressed his understanding for these concerns, but pointed out at the same time: "The issue is not big projects versus small projects.
Miller then wrote to Cairns expressing his understanding of the predicament that Cairns faced.
In return, Kučan expressed his understanding for Milošević's interest to create a Greater Serbia.
Hamilton expressed his understanding, shared by fellow Framers, that the Senate's "advice and consent" power, contained in the document's Article II, Section 2, was meant to provide a check on unfit or unqualified presidential appointees.
