learn from，learn by，learn of区别

learn by 是通过……方式，以……方式，用……方法，是以什么方式或方法
通常语法是learn by doing sth,
还有就是learn...by oneself(自学)

earn from是从……得知，向……学习，是指从某个地方或者人学到知识
通常语法是learn from sb向某人学习
短语
learn French from him 向他学习法语
learn English from me 向我学英语
learn lessons from mistakes 从错误中吸取教训

learn off 记牢，背熟

1 learn by 是通过……方式，以……方式，用……方法，是以什么方式或方法
learn by doing sth,
还有就是learn...by oneself(自学)
The underlying trend in all of these learners is their ability to learn by making connections.
这些学生的成绩都要归功于他们通过关联知识而学习的能力。
We all learn by experience.
我们都从经验中学习。
Try to learn by heart these english words and phrases.
努力把这些英语单词和词组记住。

2 learn from是从……得知，向……学习，是指从某个地方或者人学到知识
learn from sb向某人学习短语
learn French from him 向他学习法语
learn lessons from mistakes 从错误中吸取教训
Others need to learn from them.
其他人应该向它们学习。
I do learn from my mistakes.
我从错误中得到教训。
What can we learn from this?
我们可以从这件事学到什么？

3 learn of 听说 获悉
I was sorry to learn of your illness.
听说你病了，我感到不安。
It was a pleasant surprise to learn of her marriage.
得知她结婚是件令人惊喜的事。.
The "missing girls" are usually aborted, shortly after the parents learn of their sex.
“失踪女孩”是由于在父母以得知胎儿性别后，就进行流产造成的。
China's leaders will not be happy to learn of the meeting.
知道这次碰面的中国领导人不会高兴。
I learn of the news from peter.
我从彼得那里听到这消息。

learn from 向……学习
learn about学关于（某方面的知识）

learn off 记牢，背熟