[译] 当他到车站时，火车已经开走了。
[误] When he arrived the station, the train had left.

[正] When he arrived at the station, the train had left.
[注] arrive 是不及物动词，要表示“到达某地”时，须和介词 at 和 in 连用。一般说来，at 后接较小范围的地点，in 后接较大范围的地点。