不可小看的against這個詞匯，小到初中高中，大到考研都會出現的高頻詞，那麽如何掌握這個重要的知識點呢。接下來我在這裏給大家帶來against的用法，我們壹起來看看吧!
against的用法
against的詞性只有壹種，用法壹般有以下三種常見用法：
1. 註意以下兩個基本用法，許多其他用法和搭配均可從這兩種基礎引申出來：
(1) 表示“反對”“對著”“違反”“不利於”等。如：
We are all against his idea. 我們都反對他的想法。
He was married against his will. 他結婚是有違本意的。
He spoke against the new law. 他發言抨擊新法律。
There were 20 votes for him and 12 against him. 有20票贊成他，12票反對他。
(2) 表示“靠著”“頂著”“迎著”“襯著”等。如：
He stood with his back against the door. 他背靠門站著。
He hit his head against the window. 他的頭撞到了窗戶上。
It is difficult to see anything against this bright light. 對著這種強光很難看到任何東西。
Bright red flags flow in the wind against the blue sky. 鮮艷的紅旗映著藍天迎風飄揚。
2. 註意 against 是介詞，不是動詞。如：
他靠在樹上。
正：He leaned against the tree.
誤：He against the tree.
這個計劃妳是贊成還是反對呢?
正：Are you for or against the plan?
誤：Do you support or against the plan?
3. 正因為against是介詞，所以後接動詞時要用動名詞。如：
我反對在警察到達之前采取任何行動。
正：I?m against doing anything till the police arrive.
誤：I?m against to do anything till the police arrive.
against的相關解釋
prep. 反對;對?不利;緊靠;以防
against的例句
1. He spent 25 years campaigning against racist and unjust immigration laws.
他用了25年的時間與帶有種族歧視色彩和沒有公正可言的移民法作鬥爭。
2. "One thing you can never insure against is corruption among your staff."?"Agreed."
“永遠也防不勝防的就是員工內部的貪汙腐敗。”?“同意。”
3. He slewed the car against the side of the building.
他的車滑到了大樓的壹側，抵住了。
4. They were going to sail around the little island, against the tide.
他們打算繞著小島逆潮航行。
5. This is something of a grudge match against a long-term enemy.
這可以說是壹場與宿敵妳死我活的比賽。
6. Owen was against it, on the grounds of expense.
歐文因費用問題對此表示反對。