生父

tā jù jué chéng rèn zì jǐ shì zhè ge hái zi de shēng fù

他拒绝承认自己是这个孩子的生父。

He refused to admit paternity of the child.

nǐ shì tā shēng fù ma

你是他生父吗？

Are you his real dad?

zhè ge hái zi de shēng fù shì shuí shàng yǒu zhēng yì

这个孩子的生父是谁尚有争议。

The paternity of the child is in dispute.