你可以微笑– 给予那个在暗淡的月光下拉着你手的男人所有的微笑。

You can smile - every smile for the man who held your hand 'neath the pale moon light.

youdao

在日常生活中保持友善、对他人微笑可以让他人快乐，同时，这也会为你营造幸福感。

Being kind and smiling at people in your daily life can make others happy, and at the same time, it will also build happiness for you.

youdao

比如，微笑可以让你拥有善意的感觉吗？皱眉会让你感到愤怒吗？

Can smiling give rise to feelings of good will, for example, and frowning to anger?

youdao

And my bet also is that that sort of distinction, how much teeth you show when you smile, is the sort of thing that would show regional and country by country differences.

我打赌区别还在于，微笑时你露了多少颗牙齿，这可以看出地区和国家的不同。

耶鲁公开课 - 心理学导论课程节选