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  What it means

  Literally “to lay on the heart.” Means to weigh heavily on someone’s conscience or mind, causing a lasting moral burden, guilt, or deep worry. It suggests more than a passing concern: something settles on a person and stays there for a long time. It is often used for guilt, unfinished business, or something troubling a person’s soul.

  Vocabulary

  • kłaść — to lay, to put (imperfective)
  • serce — heart
  • sercu — heart (locative case of serce)

  Grammar note

  The preposition 'na' takes the locative case when indicating location ('on the heart' = 'na sercu'). Here 'sercu' is the locative of 'serce' (neuter noun). The phrase is typically used with a subject doing the laying: 'To kłaść mi się na sercu' = 'This weighs on my heart.'

  Cultural context

  Polish culture values conscience, duty, and emotional sincerity. This phrase appears in literature, prayers, and intimate conversation. It carries more weight than simply saying 'martwię się' (I'm worried), because it suggests a deep moral or spiritual burden.

  Intermediate

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