by accident片語KK [baɪ ˋæksədənt] /baɪ ˈæksədənt/發音片語1無意中、不小心、不是故意I deleted the whole folder by accident and lost everything.我不小心刪掉了整個文件夾,所有東西都沒了。2偶然、碰巧We met by accident at the airport after twenty years.二十年後,我們在機場偶然相遇。