negate
🇺🇸
/nɪˈɡeɪt/
🇬🇧
/nɪˈɡeɪt/
to make something have no effect
Drinking alcohol can negate the medicine's benefits.
饮酒会抵消药物的益处。
to say something is not true or does not exist
He tried to negate the evidence against him.
他试图否定对他不利的证据。