against

1.反对；与…相反；逆；违反opposing or disagreeing with sb/sth

2.对…不利not to the advantage or favour of sb/sth

3.紧靠；倚；碰；撞close to, touching or hitting sb/sth

4.以防in order to prevent sth from happening or to reduce the damage caused by sth

5.以…为背景；衬托with sth in the background, as a contrast

6.和…相比used when you are comparing two things

1.对,对着,冒着;反对,敌对,逆;相反,不利于;违反,违背,犯

2.防,御,以防,以备

3.撞着,碰,触;靠近;靠,倚

4.以...为背景;对照

5.在...的对面

6....而...

7.以...抵付;凭...换取

1.〈古,方〉在...之时,在...之前

1.used for stating which plan, idea, or action someone opposes and thinks is wrong; used for stating who or what you are trying to defeat in a game, race, or fight

2.touching or hitting the surface of something; very close to and touching something, especially so that it is used as a support

3.if there is a law against doing something, it is illegal

4.used for stating who is harmed or affected by something; used for stating who someone dislikes or feels angry toward; used for saying who is accused of doing something wrong

5.used for stating what is causing harm or affecting someone or something

6.used for comparing one thing or amount with another

7.if someone or something moves against the wind, the current, etc., they face it and move in the opposite direction

8.if something appears against a background, it is seen with the background behind it