因为
牛津词典
conj.
因为
for the reason that
I did it because he told me to.
是他吩咐我才做的。
Just because I don't complain, people think I'm satisfied.
就因为我不发牢骚，大家便以为我满意了。
派生词because of?prep.
They are here because of us.
他们是因为我们来这里的。
He walked slowly because of his bad leg.
他因为腿不方便而行走缓慢。
Because of his wife('s) being there, I said nothing about it.
他的妻子在场，我便没提及这事。
柯林斯词典
CONJ-SUBORD?（说明原因）因为，由于
You use?because?when stating the reason for something.
He is called Mitch, because his name is Mitchell...
人们叫他米奇，因为他大名叫米切尔。