mad一词在英语中有多种用法和搭配，下面是一些常见的用法和例句：

1. Mad as an adjective (形容词):

- He was mad at me for forgetting his birthday. (他因为我忘记了他的生日而生气。)

- I am mad about chocolate. (我对巧克力着迷。)

- The kids went mad with excitement when they heard about the surprise. (孩子们听说有惊喜时都兴奋得发疯。)

2. Go mad (发疯):

- The noise from the construction site is driving me mad. (建筑工地的噪音让我发疯。)

- The fans went mad when their favorite band came on stage. (当他们最喜欢的乐队上台时，粉丝们都发疯了。)

3. Mad as an adverb (副词):

- He drives madly through the city streets. (他在城市街道上疯狂地开车。)

- The dog was barking madly at the mailman. (那只狗疯狂地对着邮递员吠叫。)

4. Mad with (因某事而发疯):

- I'm mad with jealousy when I see him with another girl. (当我看到他和另一个女孩在一起时，我会嫉妒得发疯。)

- She was mad with grief after her pet passed away. (她的宠物去世后，她伤心得发疯。)

5. Drive someone mad (使某人发疯):

- The constant noise from the construction site is driving me mad. (建筑工地的持续噪音让我发疯。)

- My little sister's constant questions are driving me mad. (我小妹妹的连续问题让我发疯。)

6. Mad about (对某事或某人着迷):

- She is mad about fashion and spends all her money on clothes. (她对时尚非常着迷，把所有的钱都花在了衣服上。)

- He is mad about football and never misses a game. (他对足球非常痴迷，从不错过一场比赛。)

7. Mad with anger/happiness/sadness, etc. (因愤怒/幸福/悲伤等而发疯):

- She was mad with anger when she found out that he had lied to her. (当她发现他对她撒谎时，她愤怒得发疯。)

- The children were mad with happiness when they received their presents. (孩子们收到礼物时，他们高兴得发疯。)

以上是mad这个词的一些常见用法和搭配，希望对你有帮助！

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