在我们商定价格后，卖家却接受了更高的报价，违约卖给了别人。

After we agreed on the price, the seller ___gazumped us by accepting a better offer.

我们以为房子稳到手了，结果有人用现金加价恶意截胡。

We thought the house was ours, but someone ___gazumped us with a cash offer.