1. learn of听到；得知；听说；获悉;向……学习
I learnt of her arrival from a close friend.
我从一位好友那里听说她到了。
It gave us much pain to learn of the news.
我们听到这个消息十分悲痛。
Roosevelt either did not learn of the scandal or refused to credit what he heard
罗斯福要么是不知道那桩丑闻，要么是不相信他所听到的。
It was only after his death that she learned of his affair with Betty
一直到他死后她才知道他和贝蒂有染。
When he learned of the good news, he was beside himself with joy.
听到那个好消息时，他按捺不住高兴的心情。
His mother learnt of her son’s success in the newspapers.
他的母亲在报纸上得知儿子成功的消息。
Teach me at once, and learn of me to die.
马上来教我，你再来向我学习如何去死。
2. learn ……off背熟，记熟；背（记）下
He has learned the peom off.
他把这首诗背下来了。
美哉，本人距离这个杏花村2公里
Actors have to learn their words off in a very short time.
演员必须在很短的时间内背熟台词。
Learn it off by heart. 把它背下来.
Learn these words off by heart.把这些单词背熟。
