vt.

1. 学习；学会[+to-v][+v-ing][+wh-]
   He has learnt a new skill.

   他学会了一项新技能。

   My brother is learning English now.

   我的弟弟正在学英语。

2. 认识到[Y][+（that）]
   He has learned that dishonesty does not pay.

   他已经认识到不诚实是没有好报的。

3. 记住
   The boy soon learned the poem by heart.

   这男孩不久便能熟背这首诗了。

4. 得知，获悉[+（that）][+wh-]
   I learned from his letter that he was in Spain.

   我从他的信中得知他正在西班牙。

   We learnt the news this morning.

   我们今天早晨得悉这一消息。

5. 【幽】教训

vi.

1. 学，学习[（+from）]
   Why don't you learn from my mistakes?

   你为何不从我的错误中吸取教训呢？

2. 得知，获悉[（+of/about）]
   We learned of his marriage in the newspapers.

   我们从报上获悉他结婚了。

v.

1. acquire knowledge of or skill in (something) through study or experience or by being taught.
   ▸commit to memory.
   ▸become aware of by information or from observation.
2. archaic or dialect teach.