Tra từ keen - Từ điển Oxford Advanced Learner 8th

keen [keen keens keened keening keener keenest] adjective, verb BrE [kiːn] NAmE [kiːn]
adjective (keen·er, keen·est)

EAGER/ENTHUSIASTIC
1. (especially BrE)wanting to do sth or wanting sth to happen very much
Syn: ↑eager
•~ (to do sth) John was very keen to help.
•~ (that…) We are keen that our school should get involved too.
•~ (on doing sth) I wasn't too keen on going to the party.
2. usually before noun (especially BrE)enthusiastic about an activity or idea, etc
•a keen sportsman
•one of the keenest supporters of the team
• She was a star pupil— keen, confident and bright.

LIKING SB/STH
3. (BrE, informal)liking sb/sth very much; very interested in sb/sth
•~ on sb/sth Tom's very keen on Anna.
•~ on doing sth She's not keen on being told what to do.

CLEVER
4. only before noun quick to understand
•a keen mind/intellect
Syn: ↑sharp, Syn: ↑acute

IDEAS/FEELINGS
5. usually before noun strong or deep
•a keen sense of tradition
•He took a keen interest in his grandson's education.

SENSES
6. only before noun highly developed
Syn: ↑sharp
•Dogs have a keen sense of smell.
•My friend has a keen eye for (= is good at noticing) a bargain.

COMPETITION
7. involving people competing very hard with each other for sth
•There is keen competition for places at the college.
•They were keen rivals.
•It was the subject of keen debate.

PRICES
8. (especially BrE)kept low in order to compete with other prices
Syn: ↑competitive
•The company hopes its keen pricing policy will increase sales.

WIND
9. (literary)extremely cold

KNIFE
10. usually before noun (literary)having a sharp edge or point
Syn: ↑sharp
more at mad keen (on sb/sth) at ↑mad

Word Origin:
adj. Old English cēne ‘wise, clever’ ‘brave, daring’ Germanic Dutch koen German kühn ‘bold, brave’ Middle English v. mid 19th cent. Irish caoinim ‘I wail’

Thesaurus:
keen adj. (especially BrE)
•Dan was keen to help.
eager • • enthusiastic • • avid • • anxious • • hungry • |informal mad • |formal zealous •
Opp: reluctant
keen/eager/avid/anxious/hungry/mad for sth
keen/mad on sth
keen/eager/enthusiastic/anxious to do sth
keen/eager/anxious that…
a/an keen/enthusiastic/avid collector/fan

Synonyms:
like
love • be fond of • be keen on sth • adore
These words all mean to find sth pleasant, attractive or satisfactory, or to enjoy sth.
like • to find sth pleasant, attractive or satisfactory; to enjoy sth: ▪ Do you like their new house? ◇ ▪ I like to see them enjoying themselves.
love • to like or enjoy sth very much: ▪ He loved the way she smiled.
be fond of sth • to like or enjoy sth, especially sth you have liked or enjoyed for a long time: ▪ We were fond of the house and didn't want to leave.
be keen on sth • (BrE informal) (often used in negative statements) to like or enjoy sth: ▪ I'm not keen on spicy food. ◇ ▪ She's not keen on being told what to do.
adore • (informal) to like or enjoy sth very much: ▪ She adores working with children.
love or adore?
Adore is more informal than love, and is used to express a stronger feeling.
to like/love/be fond of/be keen on/adore doing sth
to like/love to do sth
to like/love sth very much
I like/love/adore it here/there/when…
to like/love/adore the way sb does sth
to really like/love/adore sb/sth
to be really fond of/keen on sth

Example Bank:
•He's particularly keen on football.
•Sally's quite keen on the idea.
•She is extremely keen to remain with the police and we are equally keen to retain her.
•She was always keen to hear the local gossip.
•She was naturally keen to make a good impression.
•She's a very keen gardener.
•The banks were not at all keen to lend to somebody who actually seemed to need money.
•They were desperately keen for information.
•He's a keen sportsman and enjoys football, fishing and rugby.
•I wasn't too keen on going to the party.
•Pete's very keen on Anna.
•She takes a keen interest in politics.
•We are keen that Britain should get involved too.
Idiom: ↑keen as mustard
Derived Words: ↑keenly ▪ ↑keenness

verb intransitive (usually used in the progressive tenses) (old-fashioned)
to make a loud high sad sound, when sb has died
Verb forms:

Word Origin:
adj. Old English cēne ‘wise, clever’ ‘brave, daring’ Germanic Dutch koen German kühn ‘bold, brave’ Middle English v. mid 19th cent. Irish caoinim ‘I wail’