como si no supiera nada

as if [he/she/they] didn't know anything

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phrase Rare #44,790
as if [he/she/they] didn't know anything Used to describe acting in a way that pretends ignorance or keeps knowledge hidden.
SP: Yo sonreí como si no supiera nada.
EN: I smiled as if I didn't know anything.

Pero hágalo con delicadeza, como si no supiera nada.

But do it gently, as if you don't know anything.

Actuó como si no supiera nada al respecto.

He acted as if he knew nothing about it.

Ella actuó como si no supiera nada.

She acted as if she knew nothing.

Ella hizo como si no supiera nada.

She acted as if she didn't know anything.