反对做某事是beagainestdoingsth,反对某事物是beagainstsomething
支持做某事可以用befordoingsth,且常与beagainestdoingsth互为反义,同样,也可以是beforbesomething.支持也可以用standfor.
(主张;支持,拥护,例:Westandforself-reliance.我们主张自力更生。)
Weareagainstthewarandforthepeace.
Weareagainstthewarandstandforthepeace.