lesson to的用法和樣例：
例句
- His courage is a lesson to us all.
他很有勇氣，是我們大家的榜樣。 - Our teacher explained the lesson to us as clearly as he could.
我們的老師儘可能清楚地為我們解釋這一課。 - The boys were itching for the lesson to end.
那些男孩子們渴望下課。 - His car accident has been a lesson to him to stop driving too fast.
他的車禍給了他一個教訓，使他不再開快車。 - It is a lesson to me.
這對我是一個教訓。 - Let this be a lesson to you never to play with matches!
把這件事當作你的教訓，再也不要玩火柴了！
