They are wearing traditional folk clothing.
他们穿着传统的民间服饰。

The concert kicked off with a folk song.

音乐会以一首民歌拉开了序幕。

Paper cut is a traditional form of folk art in China.

在中国，剪纸是一种传统的民间艺术。

She sang a folk song.

她唱了一首民歌。

※Lazy folk take the most pains. 懒人躲懒最费力.
※Idle folks have most labour. 懒汉总嫌活太多。
※Idle folks lack no excuses. 懒汉辩解，何患无词。
※Lazy folks take the most pains. 懒汉多吃苦。
※Who minds his own business has no time to mind other folks. 为人只顾自己事，就无时间关心人。
※Idle folk have the least leisure. 懒人没空闲.
※Most folks are about as happy as they make up their minds to be. 对大多数人来说,他们认定自已有多幸福,就有多幸福.
※Folk rhymes are the mirrors that show the feelings of the people. 民谣是人心的镜子。
※Ask the common folk if you want to know how the country is faring. 要知朝中事,乡间问老农.
※Most folks are about as happy as they make up their minds to be .(Abraham Lincoln ,American president )——对于大多数人来说，他们认定自己有多幸福，就有多幸福。(美国总统 林肯. A.)