動詞 learn:

1. gain knowledge or skills
   同義詞：learn, larn, acquire
2. get to know or become aware of, usually accidentally
   同義詞：learn, hear, get word, get wind, pick up, find out, get a line, discover, see
3. commit to memory; learn by heart
   同義詞：memorize, memorise, con, learn
4. be a student of a certain subject
   同義詞：learn, study, read, take
5. impart skills or knowledge to
   同義詞：teach, learn, instruct
6. find out, learn, or determine with certainty, usually by making an inquiry or other effort
   同義詞：determine, check, find out, see, ascertain, watch, learn

形容詞 learned:

1. having or showing profound knowledge
   同義詞：erudite
2. highly educated; having extensive information or understanding
   同義詞：enlightened, knowing, knowledgeable, lettered, well-educated, well-read
3. established by conditioning or learning
   同義詞：conditioned
4. acquired by learning

1. His dedication should be learned by all of us.
   他的奉獻(xiàn)精神值得我們學(xué)習(xí)。
2. We've learned algebra in middle school.
   我在中學(xué)就學(xué)過代數(shù)學(xué)。
3. I learned this piece of news from the newspaper this morning.
   我是今天早晨從報紙上知道這條消息的。
4. I learned this news from the newspaper.
   我從報紙上得知這個消息。
5. Most learned men are modest.
   大部分有學(xué)問的人都很謙虛。
6. I think he is a most learned man.
   我認(rèn)為他是個很有學(xué)問的人。
7. He was learned in the ways of the world.
   他精通人情世故。
8. He is a learned doctor.
   他是一個醫(yī)術(shù)高明的醫(yī)生。

learn.ed

adj.（形容詞）
Possessing or demonstrating profound, often systematic knowledge; erudite.
博學(xué)的：具有或顯示出深奧并通常是系統(tǒng)的知識的；有學(xué)問的
Directed toward scholars:
學(xué)術(shù)性的：
例句：
a learned journal.
學(xué)術(shù)刊物

[lôrnd] Acquired by learning or experience:
[lôrnd] 學(xué)得的：通過學(xué)習(xí)或經(jīng)驗而獲得的：
例句：
learned behavior; a learned response.
學(xué)來的行為；學(xué)來的反應(yīng)

來源：
Middle English lerned [educated] [past participle of] lernen [to learn, teach] * see learn
中古英語 lerned [受過教育的] [] lernen的過去分詞 [學(xué)習(xí)，教] *參見 learn

【引伸】
learn.edly
adv.（副詞）
learn.edness
n.（名詞）
<參考詞匯><同義詞>learned,erudite,scholarlyThe central meaning shared by these adjectives is .having or showing profound knowledge.:
這些形容詞所共有的中心意思是.具有或顯示出深奧的知識.：
例句：
a learned jurist;
有學(xué)識的法官；

例句：
an erudite professor;
博學(xué)的教授；

例句：
a scholarly treatise.
學(xué)術(shù)專著