reiréis
-you will laugh
The word reiréis is the future form of reír in the second person plural.
See the full reír conjugation

reír

Aquí no os reiréis mucho tiempo.
Here you will not laugh for long.
Parece muy complicado, pero cuando sea Sra. América, os reiréis.
This seems like a lot of worry, but when she's Mrs. America, you'll laugh at it.
Si lo cuento, tenéis que prometer que no os reiréis de mí.
If I tell you, you have to promise not to make fun of me.
Entonces ya no Nos llamarán un mito; entonces no reiréis con burla.
Then you will no longer call Us a myth; then you will no longer laugh in derision.
Tiene sus motivos. Un día os sentaréis a cenar una mariscada y os reiréis, pero hasta entonces, necesitas confiar en ella.
There's a really good reason for all of this, and one day you guys are gonna sit down at a nice seafood dinner and laugh about this, but until then, you really need to trust her.
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