fraud本身没有动词，欺骗的动词为cheat
例句
1.
This is not the first time he has been investigated by the police for fraud.
这不是警方靠前次调查他是否有欺诈行为。
2.
Her involvement in the fraud has left a serious blot on her character.
她卷入了这次欺诈案，在她的品格上留下了一个很大的污点。
3.
The new card will safeguard the company against fraud.
新卡将保护公司免遭***。
