vt. 拒绝；拒绝承认；拒绝…占有；否认知情

一、deny sth；deny doing sth (= deny having done sth) 否定，否认

He denied the signature.

他否认这是他的签名。

He denied knowing anything about their plans. 

(He denied having known anything about their plans. )

他否认知悉他们的计划。

二、deny sb sth = deny sth to sb   拒绝给予 (= refuse to give)

He denied the money to his son.

(He denied his son the money.)

他拒绝给儿子钱。

三、抛弃，背弃 

He has denied his party and his principles.

他背弃了他的党和他的原则。