If you deny(否认,否定) me,I have to accept the reality (现实,事实)and relinquish (放弃,抛弃)the affection(爱情),because that was the impasse(绝境,僵局) of the love.
你的上面有一个单词拼写有误,affevtion---affection;是一个名词:爱情.
全句的意思是:如果你否定我,那么我不得不接受这个事实,放弃我的爱情,因为那是爱情的绝境.