裝成端莊地;認真地
Demurely \De*mure"ly\, adv. In a demure manner; soberly; gravely; -- now, commonly, with a mere show of gravity or modesty. They . . . looked as demurely as they could; for 't was a hanging matter to laugh unseasonably. --Dryden.
demurely adv : in a demure manner; "the army girl, tall and demurely pretty, threw a quick side-glance at her"