a. 丧失体面的, 降低身份的, 有辱人格的

[法] 品质低劣的, 卑劣的, 退化的

v reduce the level of land, as by erosion

v reduce in worth or character, usually verbally

v lower the grade of something; reduce its worth

s harmful to the mind or morals

s used of conduct; characterized by dishonor