water fade

例句：

1. 1.The paint on the wall is starting to fade.
   墙上的油漆开始褪色了。
2. 2.The flowers are fading fast.
   花儿正在迅速凋谢。
3. 3.As the sun sets, the colors of the leaves begin to fade.
   随着太阳落山，树叶的颜色开始褪去。