arruinéis
-you ruin
The word arruinéis is the present subjunctive form of arruinar in the second person plural.
See the full arruinar conjugation

arruinar

No puedo arriesgarme a que los dos arruinéis mi jubilación.
I can't risk the two of you ruining my retirement.
Vosotros salid de aquí antes de que nos arruinéis esto. Sí.
You get outta here before you ruin this for us. Yeah.
Mirad chicos, no arruinéis vuestras carreras por esto.
Listen, don't ruin your careers over this, guys.
Por favor, no arruinéis mi trabajo.
Please, do not undo the work.
¡De acuerdo, no arruinéis la magia!
All right, don't ruin the magic!
Ni digáis nada. No lo arruinéis.
Don't spoil it, don't say anything.
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