Why isn't it
Eine schreckliche nette Familie
? I suspect it has to do with the adjective/adverb dualism, but even then I can't make sense of it.
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Sign up to join this communityThe schrecklich
in this sentence is describing the nette
. So yes, you were right, the adjective/adverb dualism is the cause.
The schrecklich
here indicates that they're awfully nice, or maybe even shockingly nice. It would be a lot more clear if we had more context.
Eine schreckliche, nette Familie
This sentence, note the comma, would mean that the family is both schrecklich
and nett
.