tú lamentas

regret, be sorry about

l a ˈm e n t a s → lamentar
lament to regret + as you (informal) present-tense verb ending
verb · 2nd-person singular, present tense Rare #47,561
regret, be sorry about In everyday speech, lamentar often means “to regret” or “to be sorry about.”
SP: Lamentas tus palabras, pero ya es tarde.
EN: You regret your words, but it’s too late.
Conjugation of lamentar
Indicative present
SingularPlural
First lamento lamentamos
Second lamentas —
Third lamenta —
Subjunctive present
SingularPlural
First lamento lamentamos
Second lamentas —
Third lamenta —

¿Qué lamentas no hacer?

What do you regret not doing?

¿Por qué lamentas algo que no has hecho?

Why do you regret something you haven’t done?

Al menos dí que lo lamentas.

At least say you're sorry.

Apuesto a que lo lamentas.

I bet you'll regret it.

— Corre Lola, corre (Run Lola Run) (1998)

Ve a decirles a los vecinos que lo lamentas antes de que nos echen.

Go tell the neighbors you're sorry before they kick us out.

— Вор (1997)

Sounds similar to