Contemporary College English Intensive Reading 1 Double Cross mainly tells the story of the assassination attempt of Kurt Carlson, a high school student.

Double-cross (verb): betrayal (verb): betrayal, deception (verb): deception I think double-cross and betrayal are the same meaning.

It mainly means betrayal and betrayal, and it may also mean cheating. The derailment of derailment, pure derailment, does not necessarily mean betrayal.

English double standard learning

Double standard = double standard, for example:

We can't have double standards. We say others must obey the rules, but we don't need them.

We can't adopt double standards, that is, we ask others to obey the rules, but we don't have to.