mass noun
1- loss of reputation or the respect of others, especially as the result of a dishonourable action丢脸, 耻辱：
he left the army in disgrace
他不光彩地离开了军队
if he'd gone back it would have brought disgrace on the family.
如果他回来会给他的家庭蒙羞。
1.1
- in sing. a person or thing regarded as shameful and unacceptable丢脸的人（或事）; 不受欢迎的人（或事）：
he's a disgrace to the legal profession.
他是法律界的耻辱。
with obj.
1- bring shame or discredit on (someone or something)使丢脸; 使受耻辱：
you have disgraced the family name
你玷污了家族名誉
John stiffened his jaw so he wouldn't disgrace himself by crying.
约翰咬紧牙关, 以免自己哭出来丢人现眼。
1.1
- （一般作be disgraced）cause (someone) to fall from favour or a position of power or honour使失宠; 使失去权力（或荣誉）：
he has been publicly disgraced for offences for which he was not guilty.
他为莫须有的过错而被当众免职。
词源
mid 16th cent. (as a verb)： via French from Italian disgrazia (noun )， disgraziare (verb)， from dis- (expressing reversal)+Latin gratia 'grace'.