n.

1. 失败[U][（+in）]
   He was doomed to failure.

   他注定要失败。

2. 失败者；不及格者；失败的尝试（或经验）[C]
   The new restaurant was a failure and soon closed.

   那家新饭店经营无方，不久便关了门。

3. 疏忽；不履行，没做到[U][C][（+in）][+to-v]
   Failure to obey orders on a ship is mutiny.

   在船上不执行命令就是哗变。

4. 缺乏，不足[U][C]
   The drought caused crop failure.

   干旱造成农作物歉收。

5. 衰退；故障[U][C]
   She died of (a) heart failure.

   她死于心力衰竭。

6. 破产，无支付能力[C][U]
   There were many bank failures during the depression.

   经济萧条时期许多银行破产。

7. 【美】不及格[U][（+in）]
   He was upset by his failure in the exam.

   他因考试不及格而感到沮丧。

n.

1. lack of success.
   ▸an unsuccessful person or thing.
2. the omission of expected or required action:
   their failure to comply with the rules.
3. the action of ceasing to function or the state of not functioning.
   ▸a sudden cessation of power.
   ▸the collapse of a business.