I will not demean myself by cheating on the examination.
我不会因考试作弊而使自己丢脸。
Don't demean yourself by doing anything dishonourable.
不要做出任何不光彩的事情而有失自己身份。
to demean oneself by taking a bribe
因受贿而贬低了身份
英汉双解词典包含483723条英汉词条,基本涵盖了全部常用单词的翻译及用法,是英语学习的有利工具。