son todos unos

they’re all ...

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phrase Rare #37,796
they’re all ... Usually followed by a plural noun, often to characterize or judge a group, as in “son todos unos mentirosos” (“they’re all liars”).
SP: Son todos unos expertos en música.
EN: They’re all music experts.

Los abogados son todos unos mentirosos.

Lawyers are all liars.

Son todos unos mentirosos.

They're all liars.

— La Bruja (2016)