She resigned because of ill health.
她因健康狀況不佳而辭職。
I was angry because I played so badly.
我生氣因為我彈得這么糟。
The road is closed because of the snow.
這條路因下雪而封閉。
Many diets fail because they are boring.
許多規定飲食因單調乏味都不奏效。
He walked slowly because of his bad leg.
他因為腿不方便而行走緩慢。