deny 
英 [di'nai]  美 [di'nai] 
v. 否定，否认；拒绝给予；节制；戒绝；不承认

例句：
She denied the accusations. 

她否认了这些指控。

She denied everything. 

她什么都不承认。

He [denied] all involvement and demanded an apology. 

他否认与此有任何关联，并要求道歉。

The government has denied that there was a plot to assassinate the president. 

政府否认曾有一个刺杀总统的阴谋。

An agent acting for the owner denied knowing about the paintings. 

画主的经纪人否认对这些画作知情。