The fabric was ironed to make the colours fast.

这布被熨烫过以使其不褪色。

《柯林斯英汉双解大词典》

The mirrors can be switched fast enough to produce a range of colours, and to display video.

镜子可快速移动，足以产生一系列色彩，并显示视频。

youdao

The colours aren't fast, so be careful when you wash these towels.

这些颜色容易褪掉，所以洗毛巾时要小心一点。

youdao

What do we expect the primary colours of the number one fast food chain in the U.S. to be?

FORBES: Why Picking The Right Color Can Make Or Break A Brand