万无一失

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Character Breakdown

万无一失 (wànwú-yīshī) is an idiomatic phrase meaning "absolutely no mistakes" or "foolproof." It is used to describe plans or actions that are perfectly safe and reliable.

Usage

  • Often used to emphasize thorough preparation or reliability.
  • Common in formal or professional contexts.

Common Collocations

Nuance

Conveys confidence in the flawless execution of something. Avoid using it for casual or uncertain situations.

Example Sentences

This plan is foolproof; we have prepared thoroughly.

He always does things without any mistakes; very careful.

We must ensure it is foolproof, with no errors at all.