read my lips
US /riːd maɪ lɪps/
UK /riːd maɪ lɪps/

1.
lee mis labios, entiéndeme bien
used to emphasize that what one is saying is important and should be clearly understood, often implying no room for negotiation or misunderstanding
:
•
I am not buying you a new toy. Now, read my lips: NO.
No te voy a comprar un juguete nuevo. Ahora, lee mis labios: NO.
•
We are leaving at 8 AM sharp, read my lips, no exceptions!
Salimos a las 8 de la mañana en punto, lee mis labios, ¡sin excepciones!