The phrase "a subtle expression of" is correct and usable in written English.
It can be used when describing a nuanced or understated way of conveying a particular feeling, idea, or sentiment.
Example: "Her smile was a subtle expression of her approval, even though she didn't say a word."
Alternatives: "a delicate indication of" or "a nuanced reflection of".
Danza was the first national music and dance genre of Puerto Rico, and, like the Cuban danzón, it was a subtle expression of opposition to Spanish rule.
Lieber, her dark hair hanging loosely, was powerful, muscular, with a sober intensity; Nishimura, more attenuated, had an assured precision, and a subtle expression of joy; Omagbemi moved with a welcoming voluptuousness; Voss slithered and gamboled, almost alien-like.
If our wrist presents a subtle expression of that notion, then asking non-glasses wearers to adorn the most visible part of their personal real estate with eyewear just compounds the issue.
It has also been suggested that a missed or shortened treatment may represent a subtle expression of control over their health status [ 12].
The simple syntactical nature of logical negation belies the profoundly complex and subtle expression of negation in natural language, as expressed in linguistically distinct categories and parts of speech (adverbs, verbs, copulas, quantifiers, affixes).
But in the director's flashy revamping of the externals, he has lost sight of the more significant, subtle expression of Williams's ghostly internal climate.
It could be that I'm stretching -- and I hope I am -- to interpret Mr. Cohen's intentions as the subtle expression of scorn for the suicidal murderers of Sept. 11.
The indescribably subtle expression of serenity and the immobile features, added to the chiseled effect of the silhouette and modeling, combine to make the Youth an unforgettable expression of Renaissance man.
I love this subtle expression of the struggle that black Americans go through in America.
The reason why DicerCKO PGC showed subtle expression of the retrotransposons remains elusive.
This subtle expression of PNs contributes, at times, to the inability of nurses, in this study and others [ 31, 54], to recognise a request for psychosocial support.
