tú falles

fail, let down

ˈf a ʝ e s → fallar

fall to fail, to miss + es present subjunctive, tú

verb · 2nd-person singular informal, present tense Rare #51,887

fail, let down

SP: Espero que no falles en el examen.

EN: I hope you don’t fail the exam.

Conjugation of fallar

Subjunctive present

Don't fail.

— Ghost in the Shell (1995)

Don't let us down, Ninola!

— Amarcord (1973)

Don't let me down.

— El señor de los anillos: El retorno del rey (2003)

Sounds similar to