demurely
adv. 装成端庄地；认真地
例句
She smiled demurely.
她端庄地笑了笑。
《柯林斯英汉双解大词典》
She was demurely dressed in a black woollen suit.
她当时端庄得体地身着一套黑色羊毛西服。
Then move your eyes back up to meet theirs and smile demurely.
然后再次和他们眼神交汇，正经地笑着。
