а> противостоять кому-л., чему-л. Driving without seat belts may soon be against the law. Father was against (his daughter) marrying young. б> противоречить чему-л. Lying is against my principles. It's against nature to wear high shoes.
BE AGAINST
Англо-русский перевод BE AGAINST
English-Russian Muller's dictionary 24 edition. Англо-Русский словарь Мюллера 24 редакция. 2012