"keen sensitivity" is correct and usable in written English.
You can use it to describe when someone is especially observant, sensitive, or perceptive to certain situations. For example, "She observed the situation with keen sensitivity, quickly understanding the nuances of the conversation."
He passed on a keen sensitivity to climate.
The violinist Kurt Nikkanen — the extra wheel in a sense — played with keen sensitivity.
But Barber's keen sensitivity toward Agee's poignantly sad recollection of childhood makes this work seem utterly authentic.
In a group of lesser-known lieder Mr. Bostridge sings with keen sensitivity to the text and expressive vocal inflections.
"Caterpillars" is about a woman struck by lightning who develops an unbearably keen sensitivity to sources of electricity.
Instead, he suggests, intelligently and persuasively, that Coltrane had, among other attributes, a "mystic's keen sensitivity for the sublime, which runs like a secret river under American culture".
Its statement mentions "understandably strong passions and keen sensitivities": Proponents of the Islamic Center may have every right to build at this site, and may even have chosen the site to send a positive message about Islam.
You are in essence saying that the right to worship and assemble peaceably should be curbed when exercising those rights might run counter to "strong passions" and "keen sensitivities".
However, there are understandably strong passions and keen sensitivities surrounding the World Trade Center site.
Within the group is a wide range of talents upon which I can draw - some have keen sensitivities to certain business markets and strategies; others have sharp observations and insights that refine my personal approach.
By doing this you'll discover a wealth of keen generosity, acute sensitivity, open validation, long-awaited admiration and verbal praise for your courageousness.
