sharpened

• 指某物被弄锋利或变得更锋利，常用于刀刃等字面意义，也比喻技能或感觉变得敏锐。

Describes something that has been made sharp or more acute, often used literally for blades or figuratively for skills or senses.

1. Having a sharp point or edgeB1formal

   Describes an object whose point or cutting edge has been made sharp, typically by grinding or honing.

   磨快的

   • He used a sharpened pencil to draw the sketch.
   • The chef preferred a sharpened knife for precise cuts.
   • She carried a sharpened stick for protection.

   同义词groundkeensharp

   反义词blunteddulled

2. B2formal

   Refers to something that has been made sharper or more acute, either physically or metaphorically.

   磨尖的

   • His sharpened senses detected the subtle change in the air.
   • The sharpened focus of the team led to a breakthrough.
   • Her sharpened wit made the conversation lively.

   同义词edgedgroundintensified

   反义词blunteddulled

• 动词，指把某物磨得锋利，也指改进或提高技能、能力。

A verb used to indicate the act of making something sharp or sharper, or improving a skill or ability.

1. Make sharp or sharperA2formal

   To make the edge or point of something more acute or keen.

   磨快

   • He sharpened the kitchen knife before cutting the vegetables.
   • She sharpened her pencil with a small sharpener.
   • The barber sharpens his razors every morning.

   同义词acuminateedgefilegrindhonewhet

   反义词bluntdull

2. Make crisp or more preciseB2formal

   To make something clearer, more distinct, or more exact.

   明确

   • The editor sharpened the article's focus.
   • She sharpened her argument with new evidence.
   • The training helped sharpen his analytical skills.

   同义词clarifyenhancefocushoneimprovepolishrefinetighten

   反义词blurcloudfuzzmuddleobscure

3. Become sharp or sharperB1formal

   To become more acute or keen in quality or sensation.

   变敏锐

   • His reflexes sharpened after months of practice.
   • The cold air sharpened her senses.
   • As the deadline approached, his focus sharpened.

   同义词heightenintensifyquicken

   反义词bluntdull

4. Put an image into focusB1formal

   To adjust an optical device so that the image becomes clear and distinct.

   调焦

   • He sharpened the image using the camera's manual focus.
   • The photographer sharpened the picture in post-processing.
   • She sharpened the microscope's lens to see the cells clearly.

   同义词focus

   反义词blur

5. Make images or sounds sharp or sharperB2formal

   To enhance the clarity or definition of visual or auditory signals.

   提高清晰度

   • The software can sharpen blurry photos.
   • He sharpened the audio track to reduce background noise.
   • The technician sharpened the video signal for better quality.

   同义词accentuateclarifyenhancefocusheightenintensifyrefine

   反义词blurdullfuzzmufflesoften

6. Raise the pitch of musical notesB2formal

   To increase the frequency of a musical note, making it higher in pitch.

   提高音高

   • The musician sharpened the note by adjusting the tuning peg.
   • She sharpened the melody to create a more dramatic effect.
   • The composer instructed the violinist to sharpen the final chord.

   同义词raisesharp

   反义词flattenlower

7. Give a point toA2formal

   To make something pointed or tapered at the end.

   削尖

   • He sharpened the stick to use as a tent peg.
   • She sharpened the end of the dowel for the craft project.
   • The artist sharpened the charcoal stick for fine lines.

   同义词acuminatepointtaper

   反义词bluntdull

8. Make one's senses more acuteB2formal

   To heighten or refine one's perception or awareness.

   使敏锐

   • Meditation helps sharpen your mental focus.
   • The intense training sharpened his instincts.
   • She sharpened her hearing by practicing in noisy environments.

   同义词enhanceheightenhoneintensifyquickenrefinewhet

   反义词bluntdull