Sources: Adso Chinese-English Dictionary; CC-CEDICT; Law Dictionary; 英汉原子能大词典; 英汉公共大词典
That discovery was quite accidental.
An accident delayed us for half an hour.
We met her by accident.
The accident arose from a simple mistake.
The number of traffic accidents seems to be on the increase.
The accident happened the day before yesterday.
When did the accident take place?
The people crowded round the injured man, but they made way for the doctor when he reached the scene of the accident.
A couple of flights were delayed on account of a minor accident.
She shed plentiful tears when her beloved dog was killed in an accident.