1·You must be mad to risk it.
你去冒这种风险，简直是疯了。
—— 《牛津词典》
2·"To begin with," said the Cat, "a dog's not mad."
“首先，”猫说，“狗是不疯的。”
3·"His son is mad, I think," a friend from the group made fun of him and shouted.
“我想他的儿子是疯了。”团队里的一个朋友取笑他，喊道。
4·The King is near his end; my nephew is mad—mad will mount the throne, and mad remain.
国王的日子快要到头了；我的外甥疯了——疯子要登上王位了，一直会疯癫。
5·He was weight training like mad.
他在疯了似地进行举重训练。
—— 《柯林斯英汉双解大词典》
1·If you are a gourmet, shopping, mad, or is a perfectionist doctrine, then you must not do not Qingdao.
如果你是个美食家、购物狂或者是个追求完美主义的人，那么青岛你一定不可不去。
2·Entire page selected ink painting style, the overall tone white pages, people mad heart Dayton breaks, revel in the pages of art, aesthetic effect is excellent.
整个网页选用了水墨山水画的风格，网页的整体色调偏灰白色，使人狂心顿歇，陶醉于网页中的艺术作品，审美效果极好。
3·That is a textbook example of mad cow disease.
那是个典型的狂牛症病例。
4·The Warring States is mad: he is an aspirant youth, so I am willing to help him.
战国狂：他是个上进的青年，所以我愿意帮助他。
5·Europe should take measures to prevent the spread of mad cow disease to other countries.
欧洲必须采取措施预防狂牛病扩散到其它国家。