accidentally

ad. 偶然地,意外地

Willie accidentally lets off his father's shotgun and made a hole in the wall.

威利玩他父亲的手枪时不小心走火了, 把墙壁打出一个洞。

He accidentally knocked on (the pass from Jones).

他非故意犯规, 用手向前击了（从琼斯传来的）球.