как
conjunction
as; like
(when beginning a clause after a verb or short-form adjective + так (же); introducing an object or scenario of comparison; can also be "how" + pronoun + verb in this case, or even just "how", if a verb and pronoun already exist)
он говори́т по-англи́йски как англича́нин
he speaks English like an Englishman
Она́ звучи́т так (же), как в фи́льмах.
She sounds the same as / like (she does) in the films. / She sounds (like) how she does in the films.
conversational
when; since
as (in the capacity/role of)
as, since (because, due to the fact that)
as (introducing an object or scenario of comparison)
(when beginning a clause after так (же) + a short-form adjective or adverb)
connects a verb of perception (see, hear, etc.) with a verb phrase describing an action being perceived
(usually not translated)
conversational
Used to emphasise the insignificance of something, that something isn't special.
(between a duplicated noun)
with a negative or interrogative
except, besides, other than