deny/ dɪ'naɪ /

1.vt.[+charge] [ allegation] [ accusation] 
否定

2.vt.[+permission] [ chance] [ access] 
to deny sb sth 拒绝某人某事

3.vt.[+country] [ religion] [ person] 
(disown) 否认…与己有关

he denies having said it
他否认这样说过
to deny that...
否认…