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"Thank you" is a phrase which is often translated as "gracias", and "we are fine" is a phrase which is often translated as "estamos bien". Learn more about the difference between "thank you" and "we are fine" below.
we are fine(  
wi
ar
fayn
)A phrase is a group of words commonly used together (e.g., once upon a time).
1. (general)
a. estamos bien 
Do you need any more blankets or pillows? - No, thanks. We are fine.¿Necesitan más frazadas o almohadas? - No, gracias. Estamos bien.