against的固定搭配有play against… 意为“与……比赛/对抗”；be against （doing）sth./sb. 反对（做）某事/某人。
against的搭配具体如下
campaign against 反对…的运动。
case against 反对…议案。
charge against 对…的控告。
charm against 驱逐…的咒符。
claim against 要求…的赔偿。
crime against 对…的犯罪。
defence against 对…的防御。
fight against 与…的斗争。
guard against 防护…的物件。
suit against 对…的诉讼。
vote against 投票反对。
warning against 警告不要。
witness against 不利于…的证人。
