the exact opposite正相反
She is slim and shy - the very antithesis of her sister.她身材苗条,性格腼腆,正好和她姐姐相反。
He is the exact antithesis of what I find attractive in men.我认为男性应有的魅力他一点都没有。
a contrast between two things对立;对照
Thanks to the collapse of communism the political antithesis between Left and Right is less important.由于共产主义的失败,左翼和右翼的对立显得不那么重要了。