pick at
US /pɪk æt/
UK /pɪk æt/

1.
beliscar, comer sem entusiasmo
eat food slowly and without much enthusiasm
:
•
She was so upset that she could only pick at her dinner.
Ela estava tão chateada que só conseguia beliscar o jantar.
•
He's been picking at his food all evening.
Ele tem beliscado a comida a noite toda.
2.
criticar, implicar com
criticize someone or something repeatedly, especially in a petty or annoying way
:
•
She's always picking at his grammar.
Ela está sempre criticando a gramática dele.
•
Don't pick at every little mistake I make.
Não critique cada pequeno erro que eu cometo.