iron trap

• Frase utilizada para describir algo extremadamente sólido, fiable o inquebrantable, a menudo referido a un sistema de seguridad, una memoria que retiene información sin fallos o algo que atrapa o retiene de forma imparable.

A phrase used to describe something extremely strong, secure, or unbreakable, often referring to a person's grip, a security system, or a memory that retains information perfectly.

1. Very strong or secureB2informal

   Used to describe something that is extremely strong, secure, or unbreakable, often referring to a person's grip or a system's security.

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   • He has an iron trap memory, never forgetting a face.
   • The security system is an iron trap; no one can break in.
   • Her grip was like an iron trap, impossible to escape.