steal a march on sb.
A:Did you get the car you wanted?
A:你买你看上的那辆车了吗?B:No. Someone had stolen a march on me and bought it.
B：没有，有人比我抢先一步买走了。
A:What about the car over there?
A:那边的那辆车怎么样?B:It's marvelous, and the price is marvelous, as well.
B:很棒，可价格也很惊人。