英汉解释

vt. 不信；使……丢脸
n. 怀疑；无信用；名声的败坏

同义词

n. disrepute
v. disbelieve，disgrace

反义词

n.   reputation，repute
v.   believe

参考例句

1. They discredited her good name with ugly gossip.
他们用难听的闲言碎语来破坏她的好名声。
2. His action reflected discredit on the family.
他的行为使整个家庭蒙受耻辱。
3. John vamped up a few rumors to discredit his enemy.
约翰编造一些谣言去中伤他的敌人。

英英解释

n.
  1. the state of being held in low esteem
  2. cause to be distrusted or disbelieved
  3. damage the reputation of
  4. reject as false; refuse to accept

网络释义

discredit
使失去权威性，破坏名誉的; 怀疑,不信任; 不信; 无信用;
discredit by
以...手段使丢脸;
Discredit v
不信任，怀疑;
reflect discredit on
使丧失名誉;
throw discredit on
疑心; 使不相信;