The phrase "a mild expression" is correct and usable in written English.
It can be used to describe a phrase or statement that is gentle or not harsh in tone.
Example: "Her response was a mild expression of disappointment, showing that she was not overly upset."
Alternatives: "a gentle remark" or "a soft statement".
'Technically, yes,' he says, a mild expression of distaste on his noble face.
JOAN SCHENKAR: Oh creeped out is a mild expression for the feelings she induced in me.
The title of Auden's essay, "The Dyer's Hand", is just a mild expression of the drift.
Having left the other guy for dead, he sits quietly in his straight-back chair, a mild expression on his face.
The latter two work on Anger Management; in fact, Ramon, the show's producer, is floating around the corridor outside wearing a waterproof jacket and a mild expression.
There were no angry shouts or inflammatory signs from the crowd, just a mild expression of disappointment with what has become familiar over the last two years.
You find a milder expression of the same phenomenon among those who lived behind the Iron Curtain.
The L. plantarum strains used in this study often showed similar phenotypes, or some of them had ambiguously defined phenotypes such as "Maybe" due to either mild expression of a trait or possibly experimental error.
A recent Dutch study reported that calf mortality differed very little between herds with low and high SBV seroprevalence during the second half of 2011, a finding that mirrors the relatively mild expression of SBV infection in adult cows [ 10].
We've put them in a list, in order from the most mild expression of margarita love to the completely fanatical.
The current diagnostic methods, based uniquely on definition of morphologic findings, do not always resolve the overlap of a physiological myocardial architecture comprising a prominent trabecular pattern from a mild phenotypic expression of the real disease.
