The merchant promised that the clothes would be colorfast after washing.

商家承诺这件衣服清洗后是不掉色的。

The leader asked me to purchase a batch of colorfast paint.

领导要我去采购一批不褪色的油漆。

He used a colorfast marker to draw on the face of his sleeping father.

他用一支不褪色的记号笔在睡着的父亲脸上画画。

Is this material colorfast?

这种材料会褪色吗？

Are your clothes colorfast?

您的衣服是不褪色的吗？

Is this frame anticorrosive and colorfast?

这种框架容易腐蚀和褪色吗？

Colorfast garments are not supposed to run.

不掉色的衣服应该不渗色的。

It is colorfast.

这是不褪色的。