because of

• 复合介词，引出原因、理由或解释；表示某事是另一事直接导致的结果或后果。

A compound preposition used to introduce the cause, reason, or explanation for an action, event, situation, or state; indicates that something happens as a direct result or consequence of something else.

1. Indicating direct cause or reasonA2formal

   Used to show that an action, event, or situation occurs as a direct result of a specific factor, circumstance, or preceding event.

   因为，由于

   • The match was cancelled because of rain.
   • She was late because of the traffic.
   • He succeeded because of hard work.
   • The flight was delayed because of technical problems.

2. Explaining emotional or physical stateB1formal

   Used to indicate the cause of a feeling, condition, or physical state experienced by a person or living being.

   因情感或身体状态

   • She was trembling because of fear.
   • He felt sick because of the heat.
   • They were excited because of the news.
   • I'm tired because of all the work.

3. Attributing responsibility or blameB1formal

   Used to assign credit, fault, or responsibility to a person, thing, or circumstance for a particular outcome or situation.

   由于、归因于、归咎于

   • The project failed because of poor planning.
   • We won because of your support.
   • The accident happened because of his carelessness.
   • She got the job because of her experience.

4. Indicating external circumstances as causeB2formal

   Used when an outcome is caused by factors outside someone's control, such as weather, events, or situational constraints.

   由于外部情况

   • The picnic was moved indoors because of the storm.
   • Prices rose because of inflation.
   • He couldn't attend because of illness.
   • The road is closed because of construction.

5. Expressing positive cause or benefitB1formal

   Used in a positive context to indicate that a favorable outcome or achievement resulted from a beneficial factor or action.

   由于积极因素

   • She recovered quickly because of the treatment.
   • The garden flourished because of regular care.
   • He improved because of practice.
   • They succeeded because of teamwork.