lost of gloss

例句：

1. 1. The paint has lost its gloss after being scratched.
   油漆被刮擦后失去了光泽。
2. 2. The old painting had lost its gloss, making it difficult to appreciate the beauty.
   旧画失去了光泽，很难欣赏其美丽。
3. 3.The sun had lost its gloss, casting a dull light over the landscape.
   太阳失去了光泽，给风景投下了暗淡的光。