I deny his statement.

我否认他说的。

She denied the story to be true.= She denied that the story was true.

她否定了那故事的真实性。

He denied ever having seen it.= He denied that he had ever seen it.

他否认曾看过它。

He denied nothing to his wife.

他对他的妻子有求必应。

He denied his children nothing and gave them everything they wanted.

他对儿女们的要求是有求必应，要什么给什么。

to deny his son

不认其子。