keen about, be
Be enthusiastic about. For example, He's been keen about this whole endeavor for a long time. It is also put as be keen on, which has the additional meaning “to be ardent about or in love with,” as in Jim's been keen on Jane for years. With other adverbs, such as keen at and keen of, keen has been so used since the early 1500s; the current locutions, however, date from the mid-1800s.
QUIZ YOURSELF ON THE MANY TYPES OF NOUNS
Example sentences from the Web for keen about, be
What 15 months in a federal correction institution will be like, according to a man who counsels to-be inmates.How a ‘Real Housewife’ Survives Prison: ‘I Don’t See [Teresa Giudice] Having a Cakewalk Here’|Michael Howard|January 6, 2015|DAILY BEAST
If the oft-talked-about college “hook-up culture” could be embodied by a place, it would be Shooters.Random Hook-Ups or Dry Spells: Why Millennials Flunk College Dating|Ellie Schaack|January 1, 2015|DAILY BEAST
But the current pontiff, for reasons one might fully understand, declined to meet the would-be papal assassin.
The would-be pope killer loves to be in front of the cameras, and the press in Italy is happy to oblige.
Apparently, Shakespeare coined 1,700 words, from the frequently used (excitement) to the should-be-more frequently used (spewed).
"Buy something for your wife that-is-to-be," he said to his grand-nephew, as he handed him the folded paper.The Pit Town Coronet, Volume I (of 3)|Charles James Wills
The student who does not intend to arouse himself need hope for no keen sense of beauty.
One other illustration of this keen childish dialectic when face to face with the accuser deserves to be touched on.Children's Ways|James Sully
Impersonation may be more easily achieved intellectually, requiring only keen observation and the power of imitation.
The keen resentment had faded from his face, but an immense reproach was there—a heavy, helpless, appealing reproach.Confidence|Henry James