a.

1. 锋利的；尖的
   You must be very careful with this sharp knife.

   你用这把锋利的刀子时必须很小心。

2. 陡的，急转的
   The driver found the sharp left turn very difficult.

   司机发现车子在那个左急转弯处很难开。

3. 急剧的；激烈的
4. 敏锐的，机警的[（+at）]
   She studied the young man with her sharp bright eyes.

   她以其明亮锐利的眼睛端详这年轻男士。

5. 轮廓鲜明的；明显的
   That photograph is not sharp enough.

   那张照片不够清晰。

6. 苛刻的；严厉的；易怒的[（+with）]
   She's got a sharp tongue.

   她说话很刻薄。

7. （感觉，味道等）强烈的，辛辣的；刺耳的；刺骨的
   This cheese has a sharp flavor.

   这种乳酪的味道很刺激。

8. 敏捷的，生气勃勃的
9. 精明的；狡猾的
   a sharp businessman

   精明的生意人

10. 【音】偏高的，升半音的，有升记号的
11. 【口】时髦的，漂亮的
    Uncle George's new car is really sharp.

    乔治叔叔的新车实在设计优美。

    You really look sharp in that new outfit.

    你穿那套衣服看起来很帅。

ad.

1. 整（指时刻）[Z]
   The lecture started at three o'clock sharp.

   讲座于三点整开始。

2. 锐利地；机警地；急剧地；突然地
3. 【音】偏高地
   He is singing sharp.

   他唱得偏高一点。

n.[C]

1. 【音】升半音；升记号[#]
2. 【口】骗子
3. 【美】【俚】内行，专家
4. 缝衣长针[P]

vt.

1. 【音】把（音调）提高半音

vi.

1. 【音】升音演唱（或演奏）

adj.

1. having an edge or point able to cut or pierce something.
   ▸tapering to a point or edge.
   ▸(of sand or gravel) composed of angular grains.
2. producing a sudden, piercing sensation or effect.
3. (of a food, taste, or smell) acidic and intense.
4. (of a sound) sudden and penetrating.
5. (of words or a speaker) critical or hurtful.
   ▸(of an emotion or experience) painful.
6. clearly defined.
7. informal smart and stylish.
8. sudden and marked.
   ▸making a sudden change of direction:

   a sharp bend.
9. showing speed of perception, comprehension, or response.
   ▸quick to take advantage, especially in a dishonest way.
10. (of musical sound) above true or normal pitch.
    ▸ [postpos.] (of a note) a semitone higher than a specified note.
    ▸ [postpos.] (of a key) having a sharp or sharps in the signature.

adv.

1. punctually:
   at 7.30 sharp.
2. suddenly or abruptly.
3. above the true or normal pitch of musical sound.

n.

1. a musical note raised a semitone above natural pitch.
   ▸the sign (♯) indicating this.
2. (usu. sharps) an object with a sharp point, especially a hypodermic needle.
   ▸a long, sharply pointed needle used for general sewing.

v.

1. [usu. as adj. sharped] US Music  raise the pitch of (a note).
2. archaic cheat or swindle (someone), especially at cards.