Spanish phrase
Me atendieron mal.
Meaning
I was treated poorly.
When to use it
States that staff treated the speaker poorly. Used to complain about service and expresses strong dissatisfaction, so it is often softened in polite contexts.
Example dialogue
Me atendieron mal en la tienda.
I was treated poorly at the store.
Lo siento, ¿quieres que hable con el encargado?
I'm sorry, do you want me to speak to the manager?