double-crosser

IPA/dˈʌbəlkɹˈɒsə/
IPA/dˈʌbəlkɹˈɔsɚ/

double-crosser — 名詞

1. a person who pretends to be loyal to you but secretly works with an enemy or opp

1.名詞B2
釋義

叛徒；背信者

表面忠誠卻暗地背叛的人

a person who pretends to be loyal to you but secretly works with an enemy or opponent against you

例句

Joshua found out his business partner was a double-crosser selling trade secrets to a rival company.

Joshua 發現他的生意夥伴竟是個叛徒，把商業機密賣給了競爭對手。

double-crosser + selling trade secrets

The crime boss ordered his men to find the double-crosser who tipped off the police.

犯罪集團老大下令手下找出向警方通風報信的內鬼。

同義詞
  • traitor

    broader and more formal; often refers to betraying a country or cause, not necessarily through deception of trust

  • betrayer

    more general than 'double-crosser'; can describe any broken trust, not just secret cooperation with an enemy

  • turncoat

    emphasises switching sides for personal gain rather than pretending loyalty while secretly working against someone

  • rat

    very informal and derogatory; often used for someone who informs on criminal associates

反義詞
  • ally

    someone who supports and cooperates with you

  • loyalist

    someone who remains faithful to a person or group

用法筆記

Common in crime, espionage, or business contexts where trust is a central issue. Frequently followed by a description of the betrayal (e.g. selling secrets, informing authorities).

常見錯誤

❌He is a double-crosser to steal the money.
✅He is a double-crosser who stole the money.
💡'double-crosser' is a noun describing the person, not the action; use a relative clause to explain what they did.
❌The double-crosser betrayed their country like a traitor.
✅The double-crosser sold company secrets to a competitor.
💡'double-crosser' emphasises deception of a specific person or group who trusted them, not broad political betrayal.