"My father is not a farmer" 这句话的英文表达方式是 "My father is not a farmer."
这句话的来源是你的需求，是你想要表达的意思。
下面是一些例句：
"My father is not a farmer, he's a businessman." (我爸爸不是农民，他是商人。)
"My father is not a farmer, he's a teacher." (我爸爸不是农民，他是老师。)
"My father is not a farmer, he's an engineer." (我爸爸不是农民，他是工程师。)