in an opposite direction to
… touching especially for support
causing disadvantage to; having an unfavorable effect on; in the direction of and meeting; as a defence or protection from; indicating antagonism; in violation of or contrary to
in preparation for; as a defense or protection from
opposed to, not in favor of, not defense of, not in support of
according to sth
change sth for sth
having as a background; in contrast to
His hand will be against euery man.
出自：Bible (AV): Genesis
I rode a race against Bob Dashwood.
出自： G. J. Whyte
Even his good qualities of geniality and impetuosity counted against him, for his parties..got talked about.
出自： E. Waugh
Effie sided with Tom against Frank.
出自： D. H. Lawrence
No Welsh witness would testify against them.
出自： K. Amis
We fight for the weak against the strong.
He had intended to come but somehow decided against(it).