Definition
to begin engaging in an activity unexpectedly and without prior intention
偶然開始（做某事）
He stumbled into a community volunteer team.
他無意間加入了一個社區志願者團隊。
She stumbled into an amazing restaurant while traveling.
她在旅行時無意間發現了一家很棒的餐廳。
He stumbled into his entrepreneurial journey during a lecture.
他在一場講座中無意間開始了自己的創業之旅。