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"In public" is an adverb which is often translated as "en público", and "on the surface" is a phrase which is often translated as "en la superficie". Learn more about the difference between "in public" and "on the surface" below.
An adverb is a word that describes a verb, an adjective, or other adverbs (e.g., to run quickly, very tired).
1. (general)
a. en público
Gerald, I love you, but I don't like it when you kiss me in public.Gerald, te amo, pero no me gusta que me beses en público.
A phrase is a group of words commonly used together (e.g., once upon a time).
a. en la superficie
If you zoom in, you will see some strange marks on the surface.Si agrandas la imagen, vas a ver unas marcas extrañas en la superficie.
a. en apariencia
On the surface, she seems a kind and nice woman, but she's a mean person.En apariencia, es una mujer amable y agradable, pero es una persona malvada.