Shirabe

存外ぞんがい

I-adj Noun Adverb Noun
English jmdict
1
adjectival nouns or quasi-adjectives (keiyodoshi)nouns which may take the genitive case particle 'no'adverb (fukushi)noun (common) (futsuumeishi) beyond expectation;contrary to expectations;unexpectedly
存外、口は達者なようね。
It seems like you're unexpectedly eloquent.