所以用英文怎么说because

"because" 译为 "因为"。这个词来自古英语 "by cause"，意思是 "因为什么原因"。

例句：

I can't come to the meeting because I'm busy. (我不能参加会议，因为我很忙。)
He failed the test because he didn't study. (他因为没有学习而考试不及格。)
I'm going to the store because I need to buy some groceries. (我要去商店，因为我需要买些杂货。)