The supplier double-crossed us by selling our design to a competing manufacturer last spring.

那家供應商去年春天出賣我們，把我們的設計賣給了一家競爭製造商。

Our former partner double-crossed the firm and leaked the merger terms to the press.

我們的前合夥人背叛公司，把合併條款洩漏給媒體。

The travel agent double-crossed several clients, keeping their deposits and canceling their bookings.

那名旅行社業務出賣了好幾位客戶，私吞訂金還取消了他們的預訂。