"I can't drink alcohol" 是表达不能喝酒的英文表达方式。
来源：这是一个简单的英语句子，由两个简单的英语单词 "I" 和 "can't" 以及 "drink alcohol" 构成。 "I" 是主语， "can't" 是助动词， "drink" 是动词，"alcohol" 是名词。
英文例句:
I can't drink alcohol because I'm allergic to it.
I can't drink alcohol because I'm on medication that doesn't mix well with it.
I can't drink alcohol because I'm the designated driver tonight.
中文翻译:
我不能喝酒，因为我对它过敏。
我不能喝酒，因为我正在服用的药物和酒不能混合。
我不能喝酒，因为我今晚是指定司机。