释义 |
sharp·en \ˈshärpən, ˈshȧp-\ verb (sharpened ; sharpened ; sharpening \-p(ə)niŋ\ ; sharpens) Etymology: Middle English sharpenen, from sharp (I) + -enen, -nen -en transitive verb 1. : to make sharp : give a keen edge or fine point to < sharpen an ax > 2. : to make sharper: as a. : to make quicker or more acute in perception or ready in action b. : to make more eager c. : to make (as a law) more severe d. : to make more intense < sharpen a pain > e. : to make (as one's speech) biting, sarcastic, or harsh f. : to make shriller or more piercing g. : to make more tart or pungent < the rays of the sun sharpen vinegar > < cheese sharpened by ripening > h. : to make thin or emaciated i. : to make distinct in outline j. : to increase the activity of (lime liquors used in removing hair from hides) usually by adding sodium sulfide 3. chiefly Britain : sharp vt 2 4. : to brace up sharp intransitive verb 1. : to grow or become sharp 2. chiefly Britain : sharp vi 1 • - sharpen one's knife |