The phrase "serious appearance" is grammatically correct and can be used in written English.
It is often used to describe someone's outward demeanor or the way they present themselves. Example: "Jen put on a serious appearance as she walked into the boardroom for her presentation." In this sentence, "serious appearance" is used to describe Jen's serious and professional demeanor as she enters the boardroom for an important presentation.
Majority of the patients with influenza infections show flu-like symptoms with a benign course, while patients with comorbidities may have a serious clinical appearance with respiratory failure [ 3].
In fact, Stuhlbarg has now been in seven films nominated for Best Picture, with his leading role in Joel and Ethan Coen's "A Serious Man," appearances in Steven Spielberg's "Lincoln and Martin Scorsesee's "Hugo," and a turn in last year's alien flick "Arrival" ― all without a single Oscar nomination for himself.
"Their perversity was carefully concealed beneath Sartre's meek and mild exterior and the Beaver's serious and austere appearance," she wrote in "A Disgraceful Affair".
But the victory of the barons brought to the kingdom not strength but continued division, which was made more serious by the appearance of new forces in the Muslim world.
Dr. Klitzman, who has explored issues of serious illness and appearance in several books, most recently "When Doctors Become Patients," added, "Often, when a woman wears a scarf instead of a wig, she's owning her cancer, not resisting it".
McCain's Keating Five obsession is more understandable than the shame he apparently still carries from his imprisonment, but he wasn't guilty of anything more serious than the appearance of impropriety in that case — and he arguably was a victim of excessive partisanship.
For the serious voter, candidate appearance and tone of voice are factors to consider, among many others.
It also brought a moment of recognition to Johnson, making his first serious national debate appearance, and for one quick shining moment allowed him to break away from the pack of Republican nominees.
