| 单词 | keen |
| 释义 | keen keen1 —keenly, adv. —keenness, n. /keen/, adj., keener, keenest. 1. finely sharpened, as an edge; so shaped as to cut or pierce substances readily: a keen razor. 2. sharp, piercing, or biting: a keen wind; keen satire. 3. characterized by strength and distinctness of perception; extremely sensitive or responsive: keen eyes; keen ears. 4. having or showing great mental penetration or acumen: keen reasoning; a keen mind. 5. animated by or showing strong feeling or desire: keen competition. 6. intense, as feeling or desire: keen ambition; keen jealousy. 7. eager; interested; enthusiastic (often fol. by about, on, etc., or an infinitive): She is really keen on going swimming. 8. Slang. great; wonderful; marvelous. [bef. 900; 1930-35 for def. 8; ME kene, OE cene; c. G kühn, OHG chuoni bold, ON koenn wise, skillful] Syn. 1, 4. See sharp. 2. cutting, bitter, caustic. 3. piercing, penetrating, acute. 4. discerning, acute, astute, sagacious, shrewd, clever. 5. See avid. 7. earnest, fervid. Ant. 1, 3, 4. dull. keen2 —keener, n. /keen/, n. 1. a wailing lament for the dead. v.i. 2. to wail in lamentation for the dead. v.t. 3. to bewail or lament by or with keening. [1805-15; < Ir caoine (n.), caoin- (v., s. of caoinim) lament] |
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