sweetly
adv. 甜美地；温柔地；惬意地；讨人喜欢地
例句
She smiled sweetly at him.
她朝他嫣然一笑。
《牛津词典》
I just smiled sweetly and said no.
我只是温和地笑了笑，说了声“不”。
《柯林斯英汉双解大词典》
He sang much more sweetly than he has before.
他唱歌比以前悦耳多了。
