When he brought Imelda her drink she gave him a genuine, sweet smile of thanks.

当他给艾梅尔达拿来一杯饮料时，她给了他一个真诚、甜美、表示谢意的微笑。

《柯林斯英汉双解大词典》

He looked at me with a sweet smile.

他看着我，朝我甜甜的一笑。

youdao

She went in and a waitress came over with a sweet smile.

她走了进去，一个服务员带着甜甜的微笑走了过来。

youdao

All were watching as a heavyset forty-six-year-old woman, with cornflower-blue eyes, a sweet smile, and auburn hair parted neatly in the middle, struggled to keep pace on a treadmill.

NEWYORKER: The Operator