liú xíng
流行色
liúxíngsè
fashionable color / trendy color
流行性感冒
liúxíngxìng gǎnmào
influenza / flu
这首民歌在我们家乡很流行。
zhè shǒu mín gē zài wǒ men jiā xiāng hěn liú xíng.
This folk song is very popular in our hometown.