否定 + Object
否定 (fǒudìng) means to negate, deny, or reject. It is used when someone dismisses a claim, viewpoint, or proposal, and can function as both a verb and an adjective in Chinese.
你不能因为一次失败就否定自己所有的努力。
Nǐ bù néng yīnwèi yī cì shībài jiù fǒudìng zìjǐ suǒyǒu de nǔlì.
You can't negate all your efforts just because of one failure.
他的提议被经理当场否定了。
Tā de tíyì bèi jīnglǐ dāngchǎng fǒudìng le.
His proposal was rejected by the manager on the spot.
科学家用实验数据否定了这个旧理论。
Kēxuéjiā yòng shíyàn shùjù fǒudìng le zhège jiù lǐlùn.
Scientists used experimental data to disprove the old theory.