1. go against [违背；违反]
【构成】go[去] + against[反对]
【例句】Don’t go against the rules. [不要违反规则。]
2. turn against [（使）与…反目；（使）反对]
【构成】turn[转变] + against
【例句】He turned against his best friend. [他和他最好的朋友反目了。]
3. be against [反对；违背]
【构成】be[是] + against
【例句】I’m against this decision. [我反对这个决定。]
4. fight against [与…作斗争；反对]
【构成】fight[战斗；斗争] + against
【例句】We should fight against pollution. [我们应该与污染作斗争。]
5. protest against [抗议；反对]
【构成】protest[抗议] + against
【例句】They held a demonstration to protest against the new law. [他们举行示威游行抗议新法律。]
6. guard against [防范；预防]
【构成】guard[守卫；保卫] + against
【例句】We need to guard against diseases. [我们需要预防疾病。]
7. lean against [（使）靠在…上]
【构成】lean[倾斜；倚靠] + against
【例句】He leaned against the wall. [他靠在墙上。]
8. push against [推；顶着]
【构成】push[推] + against
【例句】The wind was pushing against the door. [风顶着门。]
9. stand against [抵抗；反对]
【构成】stand[站立；忍受] + against
【例句】We will stand against injustice. [我们将抵抗不公正。]
10. come up against [碰到；遭遇]
【构成】come up[走近；发生] + against
【例句】We came up against many difficulties in the project. [在这个项目中我们碰到了许多困难。]
11. count against [对…不利]
【构成】count[数数；认为] + against
【例句】His past mistakes count against him. [他过去的错误对他不利。]
12. play against [与…比赛；对抗]
【构成】play[玩；比赛] + against
【例句】Our team will play against theirs tomorrow. [我们队明天将和他们队比赛。]
13. set against [使…与…对立；使…对照]
【构成】set[放置；设定] + against
【例句】The dark background was set against the bright flowers. [黑暗的背景与鲜艳的花朵形成对照。]
14. weigh against [权衡；对…不利]
【构成】weigh[称重；权衡] + against
【例句】The disadvantages weigh against the advantages. [劣势大于优势。]
15. run against [与…竞选；偶然遇见]
【构成】run[跑；经营] + against
【例句】He is running against a strong opponent. [他在和一个强劲的对手竞选。]
16. brush against [轻触；擦过]
【构成】brush[刷子；刷] + against
【例句】I brushed against her in the crowd. [在人群中我和她轻轻擦过。]
17. bump against [碰撞；碰到]
【构成】bump[碰撞；颠簸] + against
【例句】He bumped against the table in the dark. [他在黑暗中撞到了桌子。]
18. discriminate against [歧视；差别对待]
【构成】discriminate[歧视；区别] + against
【例句】We should not discriminate against anyone. [我们不应该歧视任何人。]
19. prejudice against [对…的偏见]
【构成】prejudice[偏见；损害] + against
【例句】He has a prejudice against foreigners. [他对外国人有偏见。]
20. hold out against [抵抗；抵御]
【构成】hold out[伸出；坚持] + against
【例句】The city held out against the enemy for a month. [这座城市抵御敌人达一个月之久。]