1、因為用英語的寫法是:because。
2、例句:
He is called Mitch, because his name is Mitchell.他被叫做米奇,因為他的名字是米切爾。
They are here because of us. 他們是因為我們來這裏的。
I was angry because I played so badly. 我生氣因為我彈得這麼糟。