Usages of formal
Cuando hables con el profesor, usa un tono formal.
When you speak with the teacher, use a formal tone.
Uso un tono formal cuando hablo con la maestra.
I use a formal tone when I speak with the teacher.
Sin embargo, en la reunión formal no debes bromear demasiado.
However, in the formal meeting you shouldn’t joke too much.
Mi hermano dice que ese vestido es bonito, pero a ella le parece demasiado formal.
My brother says that that dress is pretty, but to her it seems too formal.
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