Then a man in a little box looked out of the fog, and took money from somebody.

小包箱里有一个人从雾里探出头来，偷走了另一个人的钱。

Somebody would buy a " bento" (a kind of Japanese fast-food box) in the train and wolf it off (for saving time or money).

有些早早在地铁里买个便当草草了事（有的为赶时间，有的是要节省）。