破坏自己的信誉的英文：
bring discredit on oneself

bring是什么意思：
v. 带来；使…来到；引起，导致；促使；提出

Bring a glass of water for me.
给我拿一杯水来。

Cheek brings success.
厚着脸皮，无往不利。

On whose authority be the charge bring
根据谁给予的权利提出此指责

discredit是什么意思：
v. 不信；败坏…的名声；使丢脸
n. 名誉丧失；耻辱；怀疑；无信用

They made an effort to discredit the politician.
他们尽力败坏那政客的声誉。

tending to bring discredit or disrepute; blameworthy.
带来耻辱和坏名声；应受谴责的。

The discredited politician was consigned to a remote post
寻个失去信任的政治家被打发到遥远的岗位上。

oneself是什么意思：
pron. 自己；亲自，自行

apologize for oneself
为自已解辩或辩护

pride oneself on
使得意

embroil oneself in
使某人卷入纠纷