no seas tonto

don't be silly

→ no
phrase Common #9,167
don't be silly Used to tell someone not to act foolishly or miss something obvious. It can sound a bit rude depending on tone and context.
SP: No seas tonto y pide ayuda si la necesitas.
EN: Don't be silly and ask for help if you need it.

No seas tonto, es tu oportunidad.

Don't be silly, this is your chance.

— Tropa de élite (2007)

No seas tonto.

Don't be silly.

— La bruja (2016)

Vete, no seas tonto.

Go away, don't be stupid.

— Как я провёл этим летом (2010)

No seas tonto, Tug.

Don't be silly, Tug.

— Kajaki (2014)

No seas tonto, yo no se lo diré a nadie.

Don't be silly, I won't tell anyone.

— El regreso (2003)

Vamos, no seas tonto.

Come on, don't be silly.

— Love Actually (2003)

No seas tonto, es pura lana.

Don't be silly, it's just wool.

— Rebeca (1940)

No seas tonto, ¡las tortugas no tienen dientes!

Don't be silly, turtles don't have teeth!

No, no seas tonto.

No, don't be silly.

— Ne Zha (2019)

No seas tonto, Stu.

Don't be silly, Stu.

— Kajaki (2014)

No seas tonto, ríndete.

Don't be stupid, give up.

— Haz lo que debas (1989)

No seas tonto, cariño.

Don’t be silly, sweetheart.

— El regreso (2003)

No seas tonto, yo pago.

Don't be silly, I'll pay.

— A Taxi Driver: Los héroes de Gwangju (2017)