名词

1. 交通事故；车祸
An accident happens when a vehicle hits a person, an object, or another vehicle, causing injury or damage.

2. （不幸的）意外遭遇，不测事件;事故
If someone has an accident, something unpleasant happens to them that was not intended, sometimes causing injury or death.

3. 意外；偶然
If something happens by accident, it happens completely by chance.

4. 可能发生意外的事物（或人）
If you describe something or someone as an accident waiting to happen, you mean that they are likely to be a cause of danger in the future, for example because they are in poor condition or behave in an unpredictable way.

5. 并非偶然;事出有因
You begin a sentence with 'it's no accident' if you want to suggest that something was done deliberately or has a logical explanation, although it might give the impression of having happened by chance.

1. anything that happens suddenly or by chance without an apparent cause

e.g. winning the lottery was a happy accident
the pregnancy was a stroke of bad luck
it was due to an accident or fortuity

Synonym: strokefortuitychance event

2. an unfortunate mishap
especially one causing damage or injury