Sunlight canrefrainthe growth of melatonin in the body.
阳光能抑制身体中褪黑激素的生长。

I carefullyrefrainedfrom looking at him.
我留意着避免朝他看。

I wish he wouldrefrainfrom scattering his ash all over the carpet.
我希望他不要将菸灰往地毯上乱弹。

You mustrefrainfrom smoking in this area.
在这个区域，你必须克制自己不抽菸。

He could hardlyrefrainhimself.
他几乎不能自制。

Will you all join in singing therefrain, please?
请大家一道来唱副歌好吗?

Refrainmakes the poetry beautiful.
叠句让诗歌更优美。