?crazy是一個英語單詞，可以用作形容詞或副詞，意為“瘋狂的，狂熱的，荒唐的”。它通常用來形容人或事物的狀態或行為表現出異常、不理智或不可思議的情況。

crazy作為形容詞時，常用于修飾名詞，表示某人或某物具有瘋狂的特征。：

1. She is a crazy cat lady. (她是一個瘋狂的愛貓女士。)

2. The roller coaster ride was crazy! (過山車的旅程太刺激了！)

3. He has some crazy ideas about how to save the world. (他有一些關于如何拯救世界的瘋狂想法。)

而作為副詞時，crazy常用來修飾動詞或形容詞，表示某種行為或狀態極端、非常強烈。：

1. I am crazy in love with her. (我對她愛得發瘋。)

2. He drives me crazy with his constant complaining. (他總是抱怨讓我發瘋。)

3. The party last night was absolutely crazy! (昨晚的派對太過火了！)

除了以上基本含義外，crazy還有一些特殊用法和搭配。

1. go crazy：變得瘋狂，發瘋。

例句：I'm going crazy from all the stress. (我被壓力逼瘋了。)

2. drive someone crazy：讓某人發瘋，使某人煩惱不已。

例句：His constant nagging drives me crazy. (他不停的嘮叨讓我抓狂。)

3. be crazy about/for something/someone：對某事物或某人著迷。

例句：She is crazy about that new boy in her class. (她對班上那個新男生著迷。)

4. like crazy：非常、極端地。

例句：I have been studying like crazy for this exam. (我為了這次考試拼命學習。)

5. drive someone/sth crazy with something：用某事物折磨某人或某物。

例句：The mosquitoes are driving me crazy with their constant buzzing. (蚊子的嗡嗡聲讓我快要發瘋了。)

總的來說，crazy這個詞可以用來形容各種各樣的情況，從輕微的興奮到嚴重的錯亂都有可能。它也可以作為一種俚語，表示“很棒”、“非常好”。

以下是幾個關于crazy的例句：

1. I can't believe you jumped off that cliff, you're crazy!

(我不敢相信你跳下那個懸崖，你太瘋狂了！)

2. She's been working like crazy to finish this project on time.

(她為了按時完成這個項目一直在拼命工作。)

3. The fans went crazy when their favorite band took the stage.

(當他們最喜歡的樂隊登臺時，粉絲們都發瘋了。)

4. I'm crazy about this new restaurant, their food is amazing!

(我對這家新餐廳著迷，他們的食物太棒了！)

5. He's been driving me crazy with his constant whistling.

(他不停地吹口哨讓我快要發瘋了。)