disloyally

adv.不诚实地,不义地

不忠诚地；背信弃义地

副词

1、He acted disloyally by revealing the company's secrets to their competitors.
他向竞争对手泄露了公司的机密，表现得背信弃义。
2、The politician was accused of disloyally switching parties for personal gain.
这位政治家被指责为了个人利益而不忠诚地改变政党。