This is the 13011th most frequent Spanish word.
pierdes
"You lose."
In this sentence, 'pierdes' is used to indicate the loss of an opportunity or missing an event in the present tense.
Si no te apresuras, pierdes el tren.
If you don't hurry, you miss the train.
Here, 'pierdes' means losing possession or control over something.
Cuando no sigues las instrucciones, pierdes la guía.
When you don't follow the instructions, you lose the guide.
'Pierdes' in this context refers to the wasting or mismanagement of a resource, such as time.