if a person overreacts or gets angry about something, it's probably because there's a grain of truth, sometimes compared to the expression "if the shoe/cap fits"
darle calabazas a alguien
to give someone the brushoff
no está hecha la miel para la boca del asno
don't cast pearls before swine
llamar al pan, pan y al vino, vino
plain talking/telling it like it is, sometimes compared to "to call a spade a spade"
