退色

zhè zhǒng bù xià shuǐ zhī hòu bù tuì shǎi

这种布下水之后不退色。

This cloth will not fade after washing.

tā chuān zhe tuì shǎi lán niú zǎi kù

他穿着退色蓝牛仔裤。

He was wearing faded blue jeans.

sù liào jiǔ ér jiǔ zhī huì tuì shǎi

塑料久而久之会退色。

Plastic tends to discolour with age.