偶然，意外地，意外的

I accidentally deleted the file while trying to move it.
我在试图移动文件时不小心将其删除了。
She accidentally locked herself out of her car.
她不小心把自己锁在车外了。
I accidentally bumped into an old friend at the mall.
我在商场不小心碰到一位老朋友。
He accidentally hit his head on the low ceiling.
他不小心撞到了低矮的天花板上。
I accidentally ate something that didn't agree with me.
我误食了不适合我的食物。
They accidentally discovered a new species of plant.
他们意外地发现了一种新植物物种。
She accidentally sent an email before finishing it.
她还没写完就误发了邮件。
He accidentally broke the vase while dusting the shelves.
他在擦架子上的灰尘时不小心打碎了花瓶。
I accidentally left my phone at home this morning.
今天早上我不小心把手机忘在家里了。
She accidentally mixed up the dates for the meeting.
她不小心把会议日期搞错了。