vs
QUICK ANSWER
"That is to say" is a phrase which is often translated as "es decir", and "that is" is a phrase which is often translated as "eso es". Learn more about the difference between "that is to say" and "that is" below.
that is to say(
thaht
ihz
tu
sey
)A phrase is a group of words commonly used together (e.g., once upon a time).
1. (general)
a. es decir
I don't want to spend time with anyone else. That is to say, I love you.No quiero pasar tiempo con nadie más. Es decir, te amo.
b. o sea
We, that is to say, the teachers at this school, want to thank the students for all their hard work.Nosotros, o sea, los maestros de esta escuela, queremos agradecer a los estudiantes por todo su arduo trabajo.
that is(
thaht
ihz
)A phrase is a group of words commonly used together (e.g., once upon a time).
a. eso es
Apparently that is what he wants to wear for the dance.Aparentemente eso es lo que se quiere poner para el baile.
a. es decir
I can work with Andrés, that is, if he wants to work with me.Puedo trabajar con Andrés, es decir, si él quiere trabajar conmigo.
b. o sea
I didn't really like her, that is, I'm not sure she's right for this position.No me cayó muy bien, o sea, no estoy seguro de que sea apropiada para este puesto.