How to Say "to bust" in Spanish
The Spanish word for “to bust” is “pillar” — B1 level. This is a very common word in everyday Spanish.
English → SpanishB1
verbB1informal
catching someone in the act

Examples
Me pillaron copiando en el examen.
I got caught cheating on the exam.
Te pillé, sé que te comiste el último trozo de tarta.
Caught you! I know you ate the last piece of cake.
Le pillaron en una mentira.
They caught him in a lie.
Passive Catching
When you are the one caught, we often use the form 'Me pillaron' (They caught me) or 'He sido pillado' (I have been caught), though the first is much more natural.
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