spärra

In a sentence

• Jag behöver spärra mitt kreditkort eftersom det blev stulet.

  I need to block my credit card because it was stolen.

  Here, 'spärra' is used to mean 'to block' or 'to freeze'. It refers to the action of stopping the credit card from being usable.

• Vid gränsen måste myndigheterna spärra vägen för att genomföra kontroller.

  At the border, the authorities must block the road to conduct checks.

  In this context, 'spärra' indicates 'to block' or 'to close off', relating to physically obstructing passage to facilitate controls.

• Hon kände att en känsla av rädsla började spärra hennes förmåga att tala.

  She felt that a sense of fear began to impede her ability to speak.

  Here, 'spärra' is extended metaphorically to mean 'to impede' or 'to hold back', describing an abstract hindrance caused by fear.