destacaste
-you emphasized
The word destacaste is the preterite form of destacar in the second person singular. There are other translations for this conjugation.
See the full destacar conjugation

destacar

¿A cuántos hombres destacaste hoy?
How many men have you detailed for tonight?
Y todavía me encanta. Y destacaste en ello.
Still do. And you excelled at it.
Destacaste en criquet, rugby y futbito.
Where you excelled at cricket, rugby and fives.
¿Puedo decir que creo que te destacaste al decir la verdad?
Can I just say that I think what you did for Megan was totally righteous.
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