1.出卖,欺骗(朋友等)
1.to cheat someone, usually when doing something illegal or planning to cheat someone else together
1.If the doublecross happened only once, you might decide to continue the friendship, but let this guy know that his behavior is unacceptable.
如果出卖朋友行为只发生了一次,你可以决定继续友谊,但是要让这个家伙知道这种行为不能接受。