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  What it means

  Literally “like a bunny,” where trusia is an affectionate diminutive for a rabbit. The idiom means behaving very quietly, gently, and timidly — moving with exaggerated care and causing no disturbance. Poles use it when someone is being unexpectedly quiet or overly cautious. Siedział jak trusia means “He sat there quiet as a mouse.” The expression often has a teasing or ironic tone, especially when the person is normally louder.

  Vocabulary

  • jak — like, as (comparative conjunction)
  • trusia — bunny (affectionate diminutive, related to królik)
  • królik — rabbit

  Grammar note

  Trusia is a diminutive noun formed with the suffix -sia, which adds an affectionate and childlike quality. It is grammatically feminine but is used generically regardless of who is being described. Diminutives like trusia are extremely productive in Polish and always carry emotional coloring — here, softness, smallness, and harmlessness. The phrase follows the standard jak + noun simile pattern.

  Cultural context

  This is a warm, informal expression used across all age groups, especially with or about children. The bunny image evokes timidity, quietness, and gentleness. It can be teasing when applied to someone who is being surprisingly subdued. There is no direct English equivalent; 'quiet as a mouse' or 'gentle as a lamb' come closest in feel and register.

  Beginner

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