n.[C]

1. 不及格
   a fail in math

   數學不及格

vi.

1. 失敗
   Our plan has failed.

   我們的計畫失敗了。

   He failed in everything he tried.

   他做一切事情都失敗了。

2. 不及格
   She failed in the examination.

   她這次考試不及格。

3. 失靈；失去作用
   The engine failed.

   引擎出故障了。

4. （指健康）衰退；變弱；消失
   His hearing is failing.

   他的聽覺在衰退。

5. 破產；失去支付能力
   Many small banks failed during the recession.

   許多小銀行在經濟衰退期破了產。

6. 缺乏，不足；（作物）歉收
   The crops failed for two years running.

   農作物連續兩年歉收。

vt.

1. 失敗；不能；忘記[Y][+to-v]
   He did very well, but failed to break the record.

   他做得很出色，但未破記錄。

2. 沒有通過（考試），評定（學生）不及格
   The professor failed almost half of the class.

   該教授給班上幾乎一半人評了不及格。

   George failed history last semester.

   喬治上學期歷史考試不及格。

3. 使失望；有負於
   His courage failed him.

   他失去了勇氣。

   His friends failed him when he needed their help most.

   當他最需要幫助的時候，他的朋友們卻辜負了他。

4. 捨棄（候選人等）

v.

1. be unsuccessful in an undertaking.
   ▸be unable to meet the standards set by (a test).
   ▸judge (a candidate in an examination or test) not to have passed.
2. neglect to do something.
   ▸disappoint expectations:

   commuter chaos has failed to materialize.
3. stop working properly.
   ▸become weaker or worse.
   ▸go out of business.
4. desert or let down:
   her nerve failed her.

n.