What does 流石 mean in Japanese?

as one would expect, just as you'd expect (from), just like (someone), still, all the same, after all

流石 (Sasuga) — as one would expect · Japanese Dictionary

さすが

Sasuga

Usually written in kana.

Other forms: 遉、有繋

流石 (Sasuga) is a Japanese adverb meaning “as one would expect, just as you'd expect (from), just like (someone), still”.

adverb, na-adjectiveas one would expect; just as you'd expect (from); just like (someone)
adverbstill; all the same; after allusu. as 〜に
adverbeven ... (e.g. "even a genius")as さすがの...も

さすが、彼は期待を裏切らないね。
That's just what one would expect of him.
彼はさすが大学に行っただけのことはある。
He did not go to college for nothing.
さすがだね。君ならやってくれると思っていたよ。
Excellent! It's just like you to come through like that.

Sentences from Tatoeba (CC BY 2.0 FR).