degrade

Repeated exposure to sunlight can degrade the quality of the fabric and cause the colors to fade.

(Chinese) 反复暴露在阳光下会降低织物的质量并导致颜色褪去。

Prisoners should never be treated in a way that seeks to degrade their basic human dignity.

(Chinese) 绝不应该以贬低囚犯基本人格尊严的方式对待他们。