Breakdown of Taktowny gość wie, co wypada mówić na bankiecie.
wiedzieć
to know
co
what
mówić
to speak
na
on, at / to (motion toward) / for (a meal) / for (waiting for)
gość
guest
bankiet
banquet
wypadać
it is appropriate / proper (impersonal verb)
taktowny
tactful
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