a.

1. 平的，平坦的
   Of course, no one now believes that the earth is flat.

   當然如今無人相信地球是平的。

2. （容器等）淺的[Z]
3. 平伏的，平臥的[Z]
   My book is flat on the table.

   我的書平攤在桌子上。

4. （輪胎）洩了氣的
   Our car had a flat tire.

   我們那輛汽車有一隻輪胎漏了氣。

5. （啤酒等）走了氣的；走了味的
6. 單調的，無聊的[F]
   After the excitement was over, she felt flat.

   令人興奮的事過後，她感到平淡無味。

7. （拒絕等）斷然的[Z][B]
   He gave me a flat refusal.

   他斷然拒絕了我。

8. 【音】降音的；降半音的
9. （色彩）單調的，同樣的
10. （費用，價格等）均一的，一律的[B]
    We pay a flat rate for every telephone call.

    我們打電話每次付相同的費用。

11. （電池）電力不足的，電用完的
12. （市場等）蕭條的

ad.

1. 平直地，仰臥地
   Lie down flat and breathe deeply.

   平躺下，作深呼吸。

2. 【音】以降調（呈現地）
3. 恰恰，正好
4. 斷然地
5. 無利息地

n.[C]

1. 平面，平坦部分
   I hit the table with the flat of my hand.

   我用手掌擊桌。

2. 沼地；淺灘[P]
   We dug clams in the flats at low tide.

   退潮時我們在淺灘挖蛤蜊。

3. 洩了氣的輪胎
4. 【音】降半音；降半音符號
5. 【俚】傻子
6. 平底鞋[P]

vt.

1. 使變平
2. 使降半音

vi.

1. 變平
   The bank flatted off for the last ten miles.

   河堤最後十英里漸趨平坦。

2. 降半音

n.[C]

1. （樓房的）一層
2. 【英】（在同一層樓上的）（一套）公寓房間
3. 【英】公寓大樓[P]

adj.

1. having a level surface; without raised areas or indentations.
   ▸not sloping.
   ▸having a broad level surface but little height or depth:

   a flat box.
   ▸(of shoes) without high heels.
2. dull; lifeless:
   a flat voice.
   ▸showing little or no activity:

   sales were flat.
   ▸(of a photograph) lacking contrast.
3. (of a sparkling drink) having lost its effervescence.
4. Brit. (of a battery) having exhausted its charge.
5. (of something kept inflated) having lost some or all of its air.
6. (of a fee, charge, or price) unvarying; fixed:
   a flat rate of £250.
7. (of a negative statement) definite and firm:
   a flat denial.
8. (of musical sound) below true or normal pitch.
   ▸ [postpos.] (of a key) having a flat or flats in the signature.
   ▸ [postpos.] (of a note) a semitone lower than a specified note.

adv.

1. in or to a horizontal position.
   ▸lying in close juxtaposition to a surface.
   ▸so as to become level and even.
2. informal completely; absolutely:
   I'm turning you down flat.
3. emphasizing the speed of an action or task:
   prepare a meal in ten minutes flat.
4. below the true or normal pitch of musical sound.

n.

1. the flat part of something.
   ▸ (flats) shoes with a very low heel or no heel.
2. (flats) an area of low level ground, especially near water.
3. informal a flat tyre.
4. an upright section of stage scenery.
5. (the Flat) Brit. flat racing.
6. a musical note lowered a semitone below natural pitch.
   ▸the sign (♭) indicating this.
7. N. Amer. a shallow container in which seedlings are grown.

v.

1. [usu. as adj. flatted] N. Amer. Music  lower (a note) by a semitone.
2. archaic flatten.

n.

v.

[名]

1. 降半音。