n.

1. 落下；跌倒[C][（+from）]
   The fall from his horse broke his arm.

   他從馬上跌落摔壞了胳膊。

2. 降落；降落量[C]
   During the afternoon, there was a sudden heavy fall of snow.

   下午突然下起了大雪。

3. 下降；減少[C][（+in）]
   We are expecting a fall in stock prices.

   我們預料股市價格將要下跌。

4. 落差[S][（+of）]
   The fall of the river here is three feet.

   這裡河水落差為三英尺。

5. （政府）垮臺；（城市，要塞）陷落[the S]
   The people did not cease to resist even after the fall of the capital.

   即使在首都失陷以後人民也沒有停止抵抗。

6. 墮落[S]
   The play was about the fall of an honest man.

   這齣戲是關於一個誠實的人墮落的故事。

7. 【美】秋天[the S]
   I may be going back in the fall.

   我可能在秋天回去。

8. 瀑布[P]

vi.

1. 落下；降落
   Leaves fall from the trees.

   葉子從樹上落下。

2. 跌落；跌倒[（+over/down）]
   She slipped and fell over.

   他滑了一下跌倒了。

3. 下降；減退；減弱
   Production costs fell by 30%.

   生產成本下降了百分之三十。

4. 【書】戰死，陣亡[L]
   Many men fell in battle.

   許多人在戰鬥中陣亡。

5. 變成；成為[L]
   They first met at university and later fell in love.

   他們在大學裡初次相遇，後來相愛。

   After a while I fell asleep.

   一會兒以後我睡著了。

6. （政府，政權等）垮臺
   The Government has fallen again.

   政府又垮臺了。

7. （城市，陣地等）陷落
   The city fell to the enemy.

   該城失陷了。

8. （臉色）變陰沉
   His face suddenly fell.

   他的臉色突然一沉。

9. （黑夜）降臨；（目光，重音）落在
   The accent falls on the first syllable.

   重音落在第一個音節上。

   Darkness was falling fast.

   天很快黑了下來。

10. 下垂[Q][L]
    Her hair falls to her shoulders.

    她長發披肩。

11. （地面）傾斜；（河，水）流入[Q]
    The land falls gently to the sea.

    地面緩緩地向海邊傾斜。

12. 被說出[（+from）][L]
    Not a word fell from his lips.

    他一聲不吭。

13. 屬（於）[（+into）]
    They fall into different categories.

    他們屬於不同的類別。

14. 【舊】墮落

v.

1. move from a higher to a lower level, typically rapidly and without control.
   ▸ (fall off) become detached and drop to the ground.
   ▸hang down.
   ▸slope downwards.
   ▸(of a person's face) show dismay or disappointment by appearing to droop.
2. cease to be standing or upright; collapse.
3. decrease in number, amount, intensity, or quality.
4. pass into a specified state:
   the buildings fell into disrepair.
   ▸occur or arrive.
   ▸ (fall to doing something) begin to do something.
5. be captured or defeated.
   ▸Cricket  (of a wicket) be taken by the bowling side.
   ▸archaic yield to temptation.
6. be classified in the way specified.

n.

1. an act of falling.
   ▸Wrestling  a move which pins the opponent's shoulders on the ground for a count of three.
   ▸a downward difference in height between parts of a surface.
   ▸a sudden onset or arrival.
2. a thing which falls or has fallen.
   ▸a waterfall.
3. a decrease.
4. a defeat or downfall.
   ▸ (the Fall of Man) the lapse of humankind into a state of sin, ascribed in Jewish and Christian theology to the disobedience of Adam and Eve.
5. N. Amer. autumn.