I entered this business purely by accident.(做這檔子生意完全是出于偶然。)

We met together by accident.(我們偶然相會。)

Good feedback doesn't happen by accident.(好的反饋不是偶然發生的。)

Success is the result of devoting your time and energy to what you've set out to do, which doesn't happen by accident.(成功是投入時間和精力到你著手做的事情上的結果，它不會是偶然發生的。)

She was badly burnt by accident when she went out with her grandparents.(她在和爺爺奶奶一起出門時，發生意外，被嚴重燒傷了。)

None of this happened by accident.(所有發生的這一切都不僅僅是巧合。)

It was hard to know whether it happened by accident or by design.(很難知道這是偶然發生還是有意為之。)

The silver must have fallen into the dough by accident.(這些銀子一定是意外掉進面團里了。)

He sliced (into) his fingers by accident when cutting vegetables.(他切菜時不小心切著了手指頭。)

Most archaeological sites have been located by means of careful searching, while many others have been discovered by accident.(大多數的考古遺址都是通過仔細的搜尋定位到的，也有許多是偶然發現的。)