[译] 在公共汽车上, 他就坐在我前面。
[误] On the bus he was sitting right before me.

[正] On the bus he was sitting right in front of me.
[注] before 主要用来表示时间, 不用来表示地方, 如: I must move my car before nine o'clock. It is parked in front of the post office. 常见的例外是 before 也用来表示顺序的先后, 如：She was before me in the queue. I looked at the list to see whose name was before mine. Two comes before three.