你可以说"因为你懒惰"这句话的英文表达是"because you are lazy"。

这句话的来源是英语中的常用表达方式。在英语中，"because"是一个连词，意思是"因为"，"lazy"是形容词，意思是"懒惰的"。因此，"because you are lazy"的意思就是"因为你懒惰"。

下面是一些例句，供参考：

"I didn't finish my homework because I was sick." (因为我生病了，我没有完成作业。)
"I didn't get the job because I was late for the interview." (因为我面试迟到了，所以没有得到这份工作。)
"I didn't win the race because I was out of shape." (因为我身体状况不好，所以没有赢得比赛。)
"I didn't get the promotion because I was too passive in meetings." (因为我在会议上太被动，所以没有得到提升。)
"I didn't pass the exam because I didn't study enough." (因为我没有足够地学习，所以没有通过考试。)