实用口语： you sold me 不是你把我卖了.

You sold me. 你说服我了.

e.g. I wasn't sure about buying this car, but after test driving it, you sold me. 我对购买这辆车不确定，但是试驾之后，你成功地说服了我。

补充: test drive 试驾

e.g. Your presentation was so convincing. You sold me on the idea! 你的演示非常有说服力。你成功地让我接受了这个想法！