| 单词 | keenness | 
| 释义 | keen1 of 3adjective   ˈkēn  1  a    : intellectually alert : having or characteristic of a quick penetrating mind  a keen student a keen awareness of the problem  also : shrewdly astute   a keen assessment   b    : extremely sensitive in perception  keen eyes a keen sense of smell  c    : sharply contested  keen competition keen debate 2  a(1)    : showing a quick and ardent responsiveness : enthusiastic  a keen swimmer  (2)    : eager  was keen to begin  b   of emotion or feeling   : intense  the keen delight in the chase— 3   : wonderful, excellent  a keen idea 4  a    : having a fine edge or point : sharp  a knife with a keen blade  b    : affecting one as if by cutting  keen sarcasm  c    : pungent to the sense  a keen scent  keenly adverb   keenness   ˈkēn-nəs noun keen2 of 3 verb  keened; keening; keens   intransitive verb 1  a    : to make a loud and long cry of sorrow : to lament with a keen    b    : to make a sound suggestive of a loud cry of sorrow  a keening siren 2   : to lament, mourn, or complain loudly   transitive verb   : to utter with a loud wailing voice or wordless cry  keened our sorrow—  keener noun  keen3 of 3 noun  : a lamentation for the dead uttered in a loud wailing voice or sometimes in a wordless cry   keenness noun1 as in bitternessa harsh or sharp quality the keenness of the knife should tell you that it was sharpened recently a writer famous for the keenness of her wit Synonyms & Similar Words Relevance 
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 2 as in enthusiasmurgent desire or interest was looking forward to his birthday party with the keenness of a youngster Synonyms & Similar Words 
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 3 as in intelligenceexceptional discernment and judgment especially in practical matters had the financial keenness to know that the stock was overvalued Synonyms & Similar Words 
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 4 as in sensitivenessthe state or quality of being able to sense slight impressions or differences there's an enhanced keenness of hearing that young mothers seem to develop Synonyms & Similar Words 
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