because
conj. (说明原因)因为,由于;(作出解释)因为
例句
They are here because of us.
他们是因为我们来这里的。
《牛津词典》
She resigned because of ill health.
她因健康状况不佳而辞职。
They abandoned the match because of rain.
因为下雨,他们中止了比赛。