Examples
tā他zěn me怎么fǒu dìng否定shàng dì上帝de的cún zài存在。
他怎么否定上帝的存在。
How can he deny God's existence?
先肯定后否定,一正一反,就分外有力量。
First acknowledge, then deny – one for and one against – and then you are in a powerful position.
你不能因为她所犯下的一个错误就否定她所做的一切。
You shouldn't deny the validity of everything she did just because of a single mistake.